Convert to Celsius. Use the formula C = 
(F - 32) or C = 
. Round your answer to the nearest tenth if necessary.21°F
A. 69.8°C
B. 20.3°C
C. -6.1°C
D. 5.8°C
Answer: C
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Solve the problem.Annette has a bank card. Her billing date is July 4. The balance due at that date was 
She sent a payment of 
which the bank received on July 12. She made a new purchase for 
on July 31. What will the finance charge be for August 4 if the bank charges 1.25% per month and uses the average daily balance method?
A. $8.38 B. $10.88 C. $7.79 D. $7.49
Evaluate the integral.
A. 2 B. 1 C. 4 D. 8
Round to the indicated place value.Round to the nearest tenth: 1.44
A. 1 B. 1.4 C. 1.3 D. 1.5
Solve the problem.If P dollars are invested at a simple interest rate r (in decimals), the amount A that will be available after t years is A = P + Prt. If $1800 is invested at a rate of 12.7% simple interest, how long will it before the amount of money available is $2142.90?
A. 0.5 yr B. 5.5 yr C. 1.5 yr D. 1.2 yr