Find a formula for the inverse of the function described below.A size 42 dress in Country C is size 13 in Country D. A function that converts dress sizes in Country C to those in Country D is 
A. f-1(x) = x + 8
B. f-1(x) = 2x + 8
C. f-1(x) = 2(x + 8)
D. f-1(x) = 2(x - 8)
Answer: C
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Convert the angle to decimal degrees and round to the nearest hundredth of a degree.-43°8'40''
A. -43.14° B. -43.13° C. -43.08° D. -43.18°
Find the Social Security tax for the current pay period. Assume a 6.2% FICA rate up to a maximum of $110,000.Gross Earnings This Year: $104,104.85Current Period Earnings: $3890.68
A. $359.30 B. $241.22 C. $-124.28 D. $365.50
The radioactive element polonium decays according to the law 
where Q?0 is the initial amount and the time t is measured in days. If the amount of polonium left after 560 days is 40 mg, what was the initial amount present?
?
A. The initial amount was 645 mg B. The initial amount was 642 mg C. The initial amount was 651 mg D. The initial amount was 640 mg
Change the fraction to an equivalent fraction with the given denominator.
= 
A. 
B. 
C. 
D. 