Multiply.-0.5 ? (-0.3)
A. -0.8
B. -0.7
C. 0.2
D. 0.15
Answer: D
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If 
, calculate the value of 
.
?
A. -1.92 B. 1.23 C. -8.07 D. 12.65
Find the absolute extreme values of the function on the interval.f(x) = 3x - 1, -3 ? x ? 4
A. absolute maximum is 11 at x = 4; absolute minimum is - 10 at x = -3 B. absolute maximum is 13 at x = -4; absolute minimum is - 10 at x = 3 C. absolute maximum is 13 at x = 4; absolute minimum is - 8 at x = -3 D. absolute maximum is 11 at x = -3; absolute minimum is - 8 at x = 4
Factor the special products, which are the sum or difference of two perfect cubes.216r3 - 125
A. (6r + 5)(36r2 + 30r + 25) B. (6r - 5)(36r2 - 30r - 25) C. (6r - 5)(36r2 - 25) D. (6r - 5)(36r2 + 30r + 25)
Round each number to the nearest hundred to estimate the sum or difference.568 - 121
A. 700 B. 400 C. 447 D. 500