Perform the division.
A. x2 - 25
B. x2 - 25x + 5
C. x2 + 25
D. x2 + 5x + 5
Answer: C
Mathematics
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Add or subtract. Assume all variables represent positive real numbers.
+ 9
- 9
A. 38
B. 59
C. -38
D. -50
Mathematics
If y varies inversely as x, find the inverse variation equation for the situation.y = 9 when x = 7
A. y = 
B. y = 
C. y = 
D. y = 
x
Mathematics
Use front-end rounding to round each number. Then, multiply the rounded numbers to get an estimated answer. Finally, find the exact answer.estimateexact
?
A. Estimate: 2; exact: 2.154236 B. Estimate: 200; exact: 215.4236 C. Estimate: 20; exact: 21.54236 D. Estimate: 200; exact: 2154.236
Mathematics
Perform the indicated computation. Write the answer in scientific notation.
A. 8 × 1019 B. 35 × 1018 C. 35 × 1019 D. 8 × 1018
Mathematics