Find the perimeter or circumference. Use ? ? 3.14 when needed.

A. 9.42 yd
B. 18.84 yd
C. 7.07 yd
D. 4.71 yd

Answer: A

Mathematics

Find the least common denominator for the given set of denominators.84, 378

A. 2,268 B. 756 C. 1,512 D. 42

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Mathematics

Rewrite the expression as the sum and/or difference of logarithms, without using exponents. Simplify if possible.log2

A. log₂m +  log₂n -  log₂k
B. 5 log₂m + 9 log₂n - 2 log₂k
C. log₂m +  log₂n - 2 log₂k
D. log₂m ?  log₂n ÷ 2 log₂k

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Mathematics

Solve the inequality. ? -4

A. x ? -
B. x ? -
C. x ? -
D. x ? -

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Mathematics

Approximate the area under the graph of f(x) and above the x-axis using n rectangles.f(x) = 16 - x2 from x = -4 to x = 4; n = 2; use midpoints

A. 32 B. 96 C. 8 D. 48

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Mathematics