Multiply.8b(5b - 2)
A. 40b2 - 16b
B. 5b2 - 16b
C. 24b2
D. 40b2 - 2b
Answer: A
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Factor.64s3 + 1
A. (4s + 1)(16s2 - 4s + 1) B. (4s + 1)(16s2 + 1) C. (4s - 1)(16s2 + 4s + 1) D. (64s + 1)(s2 - 4s + 1)
Solve the problem.The time, in seconds, that it takes an object to fall a distance d, in feet, is given by the algebraic expression 
. Find how long it will take a ball dropped from the top of a building 
tall to hit the ground. Write the answer in simplified radical form.
A. 
seconds
B. 
seconds
C. 
seconds
D. 
seconds
If n is an integer, n ? 180° represents an integer multiple of 180°, and 
represents an odd integer multiple of 90°. Decide whether the expression is equal to 0, 1, -1, or is undefined. cot(n ? 180°)
A. 0 B. 1 C. -1 D. Undefined
Find the slope and y-intercept of the line.y = 
x - 3
A. Slope 
, y-intercept -4
B. Slope -3, y-intercept 
C. Slope 
, y-intercept -3
D. Slope 
, y-intercept 3