Add the real numbers. Write any improper fraction as a whole or mixed number where appropriate.- 7
+ 16
A. 23
B. 8
C. 22
D. 8
Answer: B
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Solve the problem.Jill took five courses this semester, each for four credit hours. She received a 
a B+ (3.5 points), an A (4 points), and a B+ (3.5 points) in four of the courses. If her GPA is 3.4, what was her grade in the fifth course?
A. B+ (3.5 points) B. D (1 point) C. B (3 points) D. C+ (2.5 points)
Find the missing length in the right triangle. If necessary, round to the nearest tenth.
A. 9.2 mi B. 8.5 mi C. 85 mi D. 42.5 mi
Estimate the magnitude of the error involved in using the sum of the first four terms to approximate the sum of the entire series.
A. 
B. 8.50 × 10-6
C. 5.95 × 10-5
D. 4.16 × 10-4
Perform the indicated operation. Write your result in scientific notation.(4 × 105)(8 × 107)
A. 3.2 × 1013 B. 32 × 1013 C. 32 × 1035 D. 3.2 × 1012