Perform the indicated operations and, if possible, simplify.
÷ 
? 
A. 
B. r + s
C. 
D. r - s
Answer: D
Mathematics
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Add or subtract. Assume all variables represent positive real numbers.
- 
A. 4
- 3
B. 7
C. 3 - 4
D. 3
- 4
Mathematics
Find the area of the shaded region. Use 3.14 to approximate ?, if needed. Round to the nearest tenth if necessary.
A. 201 sq ft B. 114.2 sq ft C. 13.8 sq ft D. 50.2 sq ft
Mathematics
Calculate the purchasing power of $20,000 in 15 years using an annual inflation rate of 3%. Round to the nearest cent.
a. $12,837.24 b. $12,795.25 c. $13,793.10 d. $12,759.73 e. $12,773.99
Mathematics
Add.-12 + (-47)
A. 59 B. -59 C. 35 D. -35
Mathematics