Alex just received a 25% salary increase. If her new salary is $3000, what was her old salary?

A) $3,750
B) $2,400
C) $2,250
D) $2,370
E) $2,440


B) $2,400

Mathematics

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For the given measurement, briefly describe any likely sources of random error and any likely sources of systematic error.You use your wrist watch to time your friends running 200 meters.

What will be an ideal response?

Mathematics

Divide, if possible. Write the answer in simplest form.49 ÷ 1

A. 33
B. 36
C. 34
D. 35

Mathematics

Find the product of the polynomials.(x - 12)(x2 + 9x - 6)

A. x3 - 3x2 - 102x - 72 B. x3 + 21x2 + 114x + 72 C. x3 + 21x2 + 102x - 72 D. x3 - 3x2 - 114x + 72

Mathematics

Use the vertical line test to determine whether the graph represents a function.

A. function B. not a function

Mathematics