Use the distance formula.Chris rode his bike at an average speed of 15.7 miles per hour for 4 hours. How far did he bike?
A. 3.9 mph
B. 15.7 mi
C. 62.8 mi
D. 78.5 mi
Answer: C
Mathematics
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Determine the maximum number of turning points of f.f(x) = x5 + 7x6
A. 5 B. 6 C. 1 D. 7
Mathematics
Compute the compound interest.John Lee's savings account has a balance of $500. After 5 years, what will the amount of interest be at 5% compounded annually? Round to the nearest dollar.
A. $129 B. $143 C. $25 D. $138
Mathematics
Simplify the expression.
?
?
A. 
B. 0
C. ?
D. ?
E. already simplified
Mathematics
Use properties of logarithms to evaluate the expression.log10(0.0001)5
A. log625
B. -20
C. 
D. -625
Mathematics