Solve.Dave can hike on level ground 3 miles an hour faster than he can on uphill terrain. Yesterday, he hiked 39 miles, spending 2 hours on level ground and 5 hours on uphill terrain. Find his average speed on level ground.
A. 5
mph
B. 4
mph
C. 8
mph
D. 7
mph
Answer: D
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Solve the problem.
Damien Wood has a 15-year home mortgage of $68,500 at 7.00% interest and will pay $334 annual insurance premium. His annual property tax will be $1258. Find her monthly PITI payment.
A. $663.54 B. $748.48 C. $615.82 D. $767.66
The number of persons aged 18-64 receiving disability benefits through Social Security, the Supplemental Security income, or both, from 1990 through 2000 is approximated by the function 
, where 
is measured in units of a million and t is measured in years, with
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?
Compute 
. Round your answer to five decimal places.
?
A. 
million
million per year
million per year in the second power
?
B.
million
million per year
million per year in the second power
?
C.
million
million per year
million per year in the second power
?
D.
million
million per year
million per year in the second power
?
E.
million
million per year
million per year in the second power
?
Find the center (h, k) and radius r of the circle. Graph the circle.x2 + y2 - 8x - 4y + 11 = 0
A. Center (4, 2), r = 3
B. Center (4, -2), r = 3
C. Center (-4, 2), r = 3
D. Center (-4, -2), r = 3
Rationalize the denominator.
A. 
B. 
C. 
D. 