Solve the problem.Kim decided to do some spring cleaning. She spent hours cleaning her garage on Saturday. The next day she spent hours cleaning her basement. What was the total amount of time she spent cleaning that weekend?

A. 1 hours
B. 7 hours
C. 7 hours
D. 6 hours

Answer: B

Mathematics

Find the area of the specified region.Inside the graph of r = 3 + cos 3?

A. +
B. 19?
C.
D. 19? +

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Mathematics

Integrate by first changing the form of the integrand.Integrate by first changing the form of the integrand by algebraic division.

A. e^2x - ln(1 + e^2x) + C
B. e^2x - ln(1 + e^2x) + C
C. e^2x ln(1 + e^2x) + C
D. e^2x - + C

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Mathematics

Use the given vectors to find the specified scalar.u = -3i + 6j, v = -9i - 10j, w = -3i + 2j; Find u ? (v + w).

A. -48 B. -12 C. 21 D. -33

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Mathematics

Write the number in standard form.2.373 × 105

A. 237,300 B. 2,373,000 C. 118.65 D. 23,730

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Mathematics