Determine whether the spending pattern described is at, above, or below the national average. Assume that any salaries or wages are after tax. 
A single 31-year old woman with a monthly salary of $3100 spends $560 on food.
A. below average
B. at average
C. above average
Answer: C
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Solve. Clear decimals first.10.5t + 84 = 4.5t + 36
A. -32 B. -8 C. 32 D. 8
Assume you have a balance of $3200 on your credit card that you want to pay off. Calculate your monthly payment and total payment under the given conditions. Assume you make no additional charges to the card.The credit card APR is 20% and you want to pay off the balance in 4 years.
A. $83.40; $4003.29 B. $97.38; $4674.10 C. $135.85; $6520.56 D. $116.98; $5614.96
Simplify the expression.2 cos2 4x - 1
A. 2 sin 4x
B. cos 8x
C. cos 4x
D. 
sin 16x
Translate to an algebraic expression.Robbie drove his car at 70 mph for t hours. How many miles did he travel?
A. 70 - t
B. 
C. 
D. 70t