Simplify the complex fraction.
A. 
B. 
C. 
D. 
Answer: B
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Solve the problem.A room measures 14 ft by 
The ceiling is 
above the floor. The door is 
by 
A gallon of paint will cover 78.7 ft2. How many gallons of paint are needed to paint the room (including the ceiling and not including the door)? Round your answer up to the next whole number.
A. 7 gallons B. 18 gallons C. 11 gallons D. 4 gallons
Find the average value of the function f over the region R.f(x, y) = 5x + 10yR is the triangle with vertices 
, 
, and 
.
A. 20
B. 
C. 5
D. 
Find the slope of the line going through the given pair of points.
and 
A. 
B. 
C. 
D. 
The marginal revenue for a new calculator is given by 
, where x represents hundreds of calculators and revenue is in dollars. Find the total revenue function for these calculators.
?
A. 
B. 
C. 
D. 
E. 