Solve the problem.Find the image of rectangle ABCD for the dilation with center O and scale factor 3/2.
A. 
B. 
C. 
D. 
Answer: B
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For a certain group of animals, the running speed 
, in feet per second, is a linear function of the length 
, in inches.The relationship is
.
?
If one animal is 5 inches longer than another, how much faster does it run?
?
A. 10.65 feet per second
B. 10.2 feet per second
C. 2.08 feet per second
D. 2.04 feet per second
If r(t) is the position vector of a particle in the plane at time t, find the indicated vector.Find the velocity vector.r(t) = (cot t)i + (csc t)j
A. v = (-sec2 t)i - (tan t sec t)j B. v = (-csc2 t)i - (cot t csc t)j C. v = (sec2 t)i + (tan t sec t)j D. v = (csc2 t)i + (cot t csc t)j
Perform the indicated operation. Simplify your answers. 
- 
A. 
B. 
C. 
D. 
Set up the percent proportion for the application problem. Do not try to solve for any unknowns.Sales tax of $12 is charged on an item that costs $2000. What percent sales tax is charged?
A. 
= 
B. 
= 
C. 
= 
D. 
= 