Use a positive rational exponent to write the expression.
A. 
B. 8w3/4
C. 
D. 8w4/3
Answer: C
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The number above the bar in a fraction is called the _____.
A. denominator B. reciprocal C. divisor D. integer E. numerator
Solve the problem.A space shuttle is in a circular orbit 250 km above the Earth's surface. Use Kepler's third law( with 
) to find the orbital period of the satellite.(G = 6.67 × 10-11 Nm2 kg-2, 
and Earth's radius is 
).
A. T = 90 min B. T = 9 min C. T = 1 hr D. T = 2 hr
Solve the problem.A truck rental company rents a moving truck one day by charging $27 plus $0.09 per mile. Write a linear equation that relates the cost C, in dollars, of renting the truck to the number x of miles driven. What is the cost of renting the truck if the truck is driven 120 miles?
A. C(x) = 0.09x - 27; -$16.20 B. C(x) = 0.09x + 27; $28.08 C. C(x) = 0.09x + 27; $37.80 D. C(x) = 27x + 0.09; $3240.09
Use unit ratios to convert the units.30 yards to inches
A. 1,080 in. B. 10 in. C. 360 in. D. 90 in.