Convert the units using two or three unit fractions.7 hr = 
sec
A. 12,600
B. 420
C. 6300
D. 25,200
Answer: D
Mathematics
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Solve the inequality. Graph the solution set and write the solution set in set-builder notation.3x2 + 5x - 2 ? 0
A. 
B. 
C. 
D. 
Mathematics
Find all solutions to the equation. Express the solution in degrees.tan x = 1
A. 90° + 180°n B. 45° + 180°n C. 135° + 180°n D. 45° + 360°n
Mathematics
If possible, evaluate the expression by hand. If not, approximate the answer to the nearest hundredth.16-7/4
A. - 
B. -128
C. 
D. -16,384
Mathematics
Multiply and simplify. Assume that all variables represent nonnegative numbers.
? 
A. m10
B. m5
C. m15
D. m10
Mathematics