Solve for x. Be sure to reduce your answer. Check your solution.-71.2 = -8.9x
A. x = 2
B. x = 8
C. x = 62.3
D. x = -62.3
Answer: B
Mathematics
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Write the complex number in polar form. Express the argument in degrees.-3 - 4i
A. 5(cos 233.1° + i sin 233.1°) B. 5(cos 53.1° + i sin 53.1°) C. 5(cos 306.9° + i sin 306.9°) D. 5(cos 126.9° + i sin 126.9°)
Mathematics
Solve the problem. Assume that simple interest is being calculated in each case. Round your answer to the nearest cent.John Lee's savings account has a balance of $278. After 24 months, what will the amount of interest be at 4.3% per year?
A. $11.95 B. $35.96 C. $11.58 D. $23.91
Mathematics
Factor the binomial completely.25 - x2y2
A. (5 - xy)2 B. (5 + xy)2 C. (5 - xy)(5 + xy) D. prime
Mathematics
Multiply. Change any mixed number to an improper fraction before multiplying.3
× 3 × 
A. 6
B. 9
C. 2
D. 9
Mathematics