Perform the operation indicated. Simplify. + 

A.
B.
C.
D.


Answer: A

Mathematics

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Solve the problem.A trough is to be made with an end of the dimensions shown. The length of the trough is to be  long. Only the angle ? can be varied. What value of ? will maximize the trough's volume?

A. 8° B. 30° C. 52° D. 32°

Mathematics

Find the expected value.Bob and Fred play the following game. Bob rolls a single die. If an even number results, Bob must pay Fred the number of dollars indicated by the number rolled. On the other hand, if an odd number is rolled, Fred must pay Bob the number of dollars indicated by the number rolled. Find Bob's expected winnings.

A. -$0.25 B. $0 C. -$0.50 D. -$0.40

Mathematics

Insert the correct sign of inequality (> or <) between the given numbers.7 - 

A. 7 < - 
B. 7 > - 

Mathematics

Provide an appropriate response.Perform the indicated operation. Write answer with positive exponents:   4c(-6c3)

What will be an ideal response?

Mathematics