Solve the problem.The sum of the squares of two numbers is 74. The difference of the two numbers is -2. Find the two numbers.
A. -7 and -5
B. 5 and 7
C. -5 and 7 or -7 and 5
D. -7 and -5 or 5 and 7
Answer: D
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The scores on a 30-point multiple-choice exam are given in the following frequency table:
The locator for the 80th percentile is
A. 22.5. B. 23. C. 22.2. D. 22.4. E. none of these
Find the missing angle or angles.
A. 160° B. 151° C. 141° D. 133°
Determine the domain and the range of the function.f(x) = x2 + 2x - 8
A. domain: all real numbers range: {y|y ? 9} B. domain: range: {x|x ? 1} range: {y|y ? 9} C. domain: all real numbers range: {y|y ? -9} D. domain: range: {x|x ? 1} range: {y|y ? -9}
Solve the problem.A retail store buys 35 VCRs from a distributor at a cost of $150 each plus an overhead charge of $30 per order. The retail markup is 30% on the total price paid. Find the profit on the sale of one VCR.
A. $45.00 B. $44.74 C. $45.26 D. $4,526.00