Use the given transformation to evaluate the integral.    Rwhere R is the trapezoid with vertices at    

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A.
B.
C.
D.

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Answer: B

Mathematics

Solve the problem.Abby, Bill, Caleb, and Doris ran for president of the junior class. Bill received 60 less votes than Abby and 30 more votes than Caleb. Doris received 50 votes more than Bill. Who was the new class president?

A. Doris B. Abby C. Bill D. Caleb

Solve the system by graphing.x = -yy + x = 6

A. {(1, 1)} B. {(1, 5)} C. ? D. {(x, y) | y + x = 6}

Evaluate.x + y ÷ z, for x = , y = 5, and z = 

A. 42
B. 14
C. 15
D. 10

For the measured quantity, state the set of numbers that is most appropriate to describe it. Choose from the natural numbers, integers, and rational numbers.The lengths of randomly cut pieces of string (measured to the nearest inch)

A. Rational numbers B. Integers C. Natural numbers