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

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

A. e2x - ln(1 + e2x) + C
B. e2x - ln(1 + e2x) + C
C. e2x ln(1 + e2x) + C
D. e2x -  + C

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

Mathematics

Write the number in standard form.2.373 × 105

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

Mathematics