Use an integer or rational number to express the number representing change.The stock market gained 25 points on Monday.

A. -25
B. 25


Answer: B

Mathematics

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Set up an integral for the length of the curve.y = , -  ? x ? 

A.
B.
C.
D.

Mathematics

Determine how many components the graph has.

A. 3 B. 7 C. 5 D. 1

Mathematics

Simplify the algebraic expression.7z + 1 - 2z + 9

A. 5z - 8 B. 5z + 10 C. 9z + 10 D. 15z

Mathematics

Express using positive exponents. Then, if possible, simplify.

A. 2x-4
B.
C. 2x4
D. 4x2

Mathematics