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• segment ab is being dilated with the center at the origin. the image of a, point a prime, has coordinates of (3.2, 6.4). what is the scale factor of the dilation and the coordinates of point b prime? on a coordinate plane, point a prime is (3.2, 6.4), point b prime is (negative 4, negative 6) and point a is (4, 8). the scale factor is 0.8 and the coordinates of point b prime are (–3.2, –4.8). the scale factor is 1.25 and the coordinates of point b prime are (–3.2, –4.8). the scale factor is 0.8 and the coordinates of point b prime are (–5, –7.5). the scale factor is 1.25 and the coordinates of point b prime are (–5, –7.5).
  
• over a 24-hour period, the tide in a harbor can be modeled by one period of a sinusoidal function. the tide measures 4.35 ft at midnight, rises to a high of 8.3 ft, falls to a low of 0.4 ft, and then rises to 4.35 ft by the next midnight. what is the equation for the sine function f(x), where x represents time in hours since the beginning of the 24-hour period, that models the situation? enter your answer in the box.
  
• which of the following statements best describes the stork? a. place one foot on the inside of the leg, raise the heel of the other foot, and remain in this position as long as possible. b. raise one foot to the side, raise the heel of the other foot, and remain in this position for as long as possible. c. raise the heels of both feet, swing the right foot back, and remain in this position as long as possible. d. keep both feet on the ground, bend both knees, stretch arms forward, and remain in this position as long as possible.
  
• which equation describes a rational function with x-intercepts at –4 and 2, a vertical asymptote at x = 1 and x = –1, and a horizontal asymptote at y = –3? f(x) = f(x) = f(x) = f(x) =
  
• a person can detect a single drop of perfume diffused in an area the size of a one-bedroom apartment. this is a(n) _____ threshold.
  
• the anaerobic process of splitting glucose and forming two molecules of pyruvic acid
  
• the napoleonic wars in europe prompted which group to declare independence in spanish latin america?peninsulares mestizoscriollosenslaved africans
  
• what unintended result did mao’s cultural revolution have on china? it paved the way for the release of prisoners by the red guards. it caused the spread of communism to neighboring countries. it paved the way for western-style economic and political development. it caused young people to leave the red guards and go to school.
  
• while creating a digital portfolio, harry wants to add documents that authenticate his skills, experience, and knowledge in digital media design. which items should he include in his portfolio to accomplish this goal? a. objective statements b. certificates c. worksheets d. images e. references
  
• the sum of two polynomials is 10a2b2 – 8a2b + 6ab2 – 4ab + 2. if one addend is –5a2b2 + 12a2b – 5, what is the other addend?