Evaluate or simplify the expression without using a calculator.8 log 109.2

A. 73.6
B. 736
C. 17.7536
D. 7.36


Answer: A

Mathematics

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Evaluate the determinant.

A. -73 B. 63 C. -90 D. -63

Mathematics

Graph the function.y = -  sec (?x)

A.

B.

C.

D.

Mathematics

Solve the equation. +  = 4

A. 2, 8
B. , -8
C. - 2, -8
D. - , 8

Mathematics

Set up an equation that can be used to solve the problem. Solve the equation and answer the question asked. Mary and her brother John collect foreign coins. Mary has three times the number of coins that John has. Together they have 160 foreign coins. Find how many coins Mary has.

A. 40 coins B. 112 coins C. 120 coins D. 24 coins

Mathematics