Rationalize the denominator. Assume all variables represent positive real numbers.
A. x + 8
B. 
+ 8
C. 
- 8
D. x - 8
Answer: C
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Provide an appropriate response.Which of these numbers are called factors: 2 ? 5 = 10 ?
A. 2, 5, and 10 B. 2 and 5 C. 5 and 10 D. 2 and 10
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.Beth Conners worked 43.2 hours last week at Creative Kitchens. She is paid $6.58 per hour, plus 
for overtime. Find her Social Security tax and Medicare tax for the week.
A. $18.28, $4.27 B. $17.62, $4.12 C. $16.32, $3.82 D. $26.43, $6.18
Factor completely using the trial and error method to factor trinomials. If unfactorable, indicate that the polynomial is prime.20x2 + 16x - 4
A. (5x - 1)(4x + 4) B. (5x + 1)(4x - 4) C. (4x - 1)(5x + 4) D. (x - 1)(20x + 4)
Add like terms, if possible, and write the result in descending powers of the variable.7x4 + 2x2 - 4x4
A. 5x10 B. 5x2 C. 3x4 + 2x2 D. Cannot be simplified