Solve the equation.
= 
A.
B.
C.
D.
Answer: D
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Solve the problem.A piece of land in Ottawa with an area of 0.5 square kilometers is priced at 5500 Canadian dollars. If there are 0.9976 Canadian dollars per (U.S.) dollar, then what is the price in dollars per square mile?
A. $28,419.94 per square mile B. $28,556.85 per square mile C. $4257.57 per square mile D. $17,744.89 per square mile
Solve the problem.From a point on a straight road, John and Fred ride bicycles in opposite directions. John rides 7 miles per hour and Fred rides 6 miles per hour. In how many hours will they be 52 miles apart?
A. 5 hours B. 3 hours C. 4 hours D. Not enough information
Solve. If needed, round money amounts to two decimal places and all other amounts to one decimal place.A store is advertising off sale on everything in the store. Find the sale price of a watch that regularly sells for
A. $6.90 B. $161.00 C. $2231.00 D. $69.00
Decide on a suitable restriction on the domain so that the function is one-to-one and the range is not changed.f(x) = x4 + x2 + 16
A. (-?, 15) B. [0, ?) C. [-16, 16) D. [-16, ?)