Simplify.-3(8r + 4) + 6(7r + 4)
A. 5r + 1
B. -36r
C. 18r + 12
D. 18r + 4
Answer: C
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Approximate the surface area of the figure using 3.14 for ?. If necessary, round to the nearest tenth.
A. 1,226.2 m2 B. 354 m2 C. 1,796.1 m2 D. 708.1 m2
Divide. Write the result in standard form.
A. - 
- 
i
B. 
- 
i
C. - 
- 
i
D. 
- 
i
Find the sample space for the experiment.A couple plans to have four children. List the elements that make up the sample space. (Use "B" for "boy" and "G" for "girl.")
A. {BBBG, BBGB, BBGG, BGBB, BGBG, BGGB, BGGG, GBBB, GBBG, GBGB, GBGG, GGBB, GGBG, GGGB} B. {BBBB, BBBG, BBGG, BGGG, GGGG} C. {BBBB, BBB, BB, B} D. {BBBB, BBBG, BBGB, BBGG, BGBB, BGBG, BGGB, BGGG, GBBB, GBBG, GBGB, GBGG, GGBB, GGBG, GGGB, GGGG}
Solve the problem.An investigating officer examining skid marks at the scene of an accident estimates the speed of the vehicle to have been 77 feet per second. Was the driver exceeding the 55 miles per hour speed limit?
A. Yes. The driver was traveling 59 mi/hr. B. No. The driver was traveling 53 mi/hr.