Find the value of the expression without using a calculator.log7

A. 7
B. -1
C. 1
D. 0


Answer: B

Mathematics

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Financial leverage occurs because of the existence of fixed financial costs, which include _____.

A. costs associated with production B. preferred dividends C. common stock dividends D. depreciation expenses E. accruals

Mathematics

Determine whether the equation represents direct, inverse, joint, or combined variation.y = 

A. Joint B. Inverse C. Combined D. Direct

Mathematics

Solve the problem.A stone is thrown into a pond. A circular ripple is spreading over the pond in such a way that the radius is increasing at the rate of 6.3 feet per second. Find a function, r(t), for the radius in terms of t. Find a function, A(r), for the area of the ripple in terms of r. 

A. (A ? r)(t) = 6.3?t2 B. (A ? r)(t) = 12.6?t2 C. (A ? r)(t) = 39.69?2t D. (A ? r)(t) = 39.69?t2

Mathematics

Find the slope of the line passing through the pair of points. ? (0, -8), (-6, 0) ?

A. m
B.
m =

C.
m =-

D.
m =

E. m =-

Mathematics