Solve the problem.There are 7 singers in a competition. In how many ways can first, second, and third prizes be awarded?
A. 21
B. 35
C. 210
D. 343
Answer: C
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Solve the logarithmic equation.log(4x) = log 5 + log(x - 3)
A. 
B. 
C. {- 15}
D. {15}
Solve the linear equation algebraically.-3(2p + 10) - 20 = -2(p + 11) + 8
A. -9 B. 11 C. -11 D. 9
Solve the problem. Use a FICA rate of 6.2%, a Medicare rate of 1.45%, and an SDI rate of 1%. Assume the person's earnings will not exceed $31,800 for the year. Round to the nearest cent if needed.Donald Ruffano is paid a salary of $469 per week plus a commission of 2% on sales. During a recent week, he had sales of $11,040.34. Find his Social Security tax, Medicare tax, and SDI deduction for the week.
A. $13.69, $3.20, $2.21 B. $42.77, $10.00, $6.90 C. $29.08, $6.80, $4.69 D. $13.11, $2.21, $2.11
Simplify the expression. Assume that variables represent nonzero numbers.(pq)6
A. p7q7 B. 6pq C. pq6 D. p6q6