Solve the equation.log4(x + 4) = 2 + log4(x - 4)
A. 
B. 
C. 
D. 
Answer: A
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Solve the problem.Two competitive banks offer credit cards. Bank X charges 1.4% per month on the unpaid balance and no annual fee. Bank Y charges 1.1% per month with an annual fee of 
Suppose your average unpaid balance is $600. Which bank's card is the better choice for you?
A. Bank X B. They are the same. C. Bank Y
Estimate the answer to the problem.Each gallon of porch and deck paint covers 200 square feet. How many gallons are needed to cover 1366 square feet?
A. 6 B. 7 C. 8 D. 5
Solve the problem.A student takes out two loans totaling $12,000 to help pay for college expenses. One loan is at 10% simple interest, and the other is at 7% simple interest. The first-year interest is 
. Find the amount of the loan at 7%.
A. $5000 B. $7000 C. $490 D. $500
Solve the problem.A fossilized leaf contains 18% of its normal amount of carbon 14. How old is the fossil (to the nearest year)? Use 5600 years as the half-life of carbon 14.
A. 23,309 B. 13,829 C. 35,538 D. 1,600