Multiply.(x - 12)(-5x + 4)
A. -5x2 - 48x + 64
B. -5x2 + 62x - 48
C. -5x2 + 64x + 64
D. -5x2 + 64x - 48
Answer: D
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Write the fraction or mixed number as a percent.4
A. 42% B. 0.42% C. 4.2% D. 420%
Express the number in scientific notation.0.000101
A. 1.01 × 10-5 B. 1.01 × 10-3 C. 1.01 × 10-4 D. 1.01 × 104
Factor and simplify the expression.1 - sin3x
A. (1 - sin x)(1 - 2 sin x + sin2x) B. (1 - sin x)(1 + sin x + sin2x) C. (1 - sin x)3 D. (1 - sin x)(cos x + sin2x)
During the construction of an office building, a hammer is accidentally dropped from a height of 16 ft. The distance the hammer falls in t sec is 
. What is the hammer's velocity when it strikes the ground? What is its acceleration?
?
The velocity is __________ ft per second.
?
The acceleration is __________ ft per second in the second power.
What will be an ideal response?