Solve the problem.Find the sum of all the integers from -49 to 32.

A. -680
B. -729
C. -648
D. -697

Answer: D

Mathematics

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Evaluate the expression.(-4)-1

A. -4 
B. - 
C.
D. 4 

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Mathematics

Solve the inequality, then graph the solution.11t + 12 ? 10t + 21

A. t < 11 

B. t > 11 

C. t ? 9 

D. t ? 9

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Mathematics

Simplify the expression. Write the answer using positive exponents.

A.
B.
C.
D.

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Mathematics

Solve the equation. If the equation is an identity or a contradiction, state this. =  + 

A. x = 0
B. x = - 
C. x = 
D. x = 24

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Mathematics