Simplify by using the properties of complex numbers.(7 + 5i) - (-3 + i)
A. 10 + 4i
B. 10 - 4i
C. -10 - 4i
D. 4 + 6i
Answer: A
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Rationalize the denominator. Assume that all variables represent nonnegative numbers and that the denominator is not zero.
A. 
B. 
C. 
D. 
Solve the problem.The diagonal d (from the lower back corner to the upper front corner) of a rectangular solid, like the one shown below, is given by d = 
A rectangular shipping crate has a diagonal of 39 inches. If the longest side of the crate is 4.0 times the shortest side, and the other side is 3.0 in. longer than the shortest side, find all measurements of the crate, to the nearest inch. 
x x + 3.0 4x
A. 10 in., 13 in., 40 in. B. 15 in., 16 in., 60 in. C. 15 in., 36 in., 39 in. D. 9 in., 12 in., 36 in.
Solve the problem.The height of a projectile moving vertically is given by the table, where t is the elapsed time in seconds and h is the height in feet.
Find a quadratic function to model the height of the projectile.
A. h(t) = -16t2 + 900t + 300 B. h(t) = 16t2 + 900t C. h(t) = -16t2 + 1800t + 300 D. h(t) = -16t2 + 1200t + 300
Provide an appropriate response.Find 
for 
A. 
B. 
C. 
D. 
- 6y