Write the expression using exponents.4 ? 4 ? 4 ? 4 ? 4 ? 4

A. 45
B. 64
C. 46
D. 24


Answer: C

Mathematics

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Find the measure of the dihedral angle indicated.The figure shown is a right prism whose bases are regular nonagons. Find the measure of the dihedral angle between adjacent lateral faces.

A. 40° B. 144° C. 140° D. 90°

Mathematics

Solve the equation for the indicated variable. (Leave ± in your answer, when appropriate.)M = ?r2hd for r

A. r = 
B. r = ± 
C. r = 
D. r = 

Mathematics

Solve the problem.John owns a hotdog stand. His profit is represented by the equation  with P being profits and x the number of hotdogs sold. What is the most he can earn?

A. $103 B. $75 C. $49 D. $117

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Find the slope of the line that passes through the given two points. If the slope is undefined, state this.(-8, 2) and (-4, 2)

A. 1 B. 2 C. 10 D. 0

Mathematics