Estimate the answer to the problem.James' drive from home to work is 30.5 miles one way. If in a month he goes to work 19 days, then how many miles does he drive going from home to work and back in one month?
A. 1750 mi
B. 1200 mi
C. 900 mi
D. 1500 mi
Answer: B
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Solve. Round your answer to the nearest tenth, if necessary.The hypotenuse of a right triangle is 11 feet long. One leg of the triangle is 3 feet longer then the other leg. Find the perimeter of the triangle.
A. 6.1 feet B. 4.3 feet C. 26.3 feet D. 9.1 feet
Write a chain rule formula for the following derivative.
for u = f(x); x = g(p, q, r)
A. 
= 
B. 
= 
C. 
= 
D. 
= 
+ 
+ 
Solve the problem.The owner of a video store has determined that the cost function, in dollars, of operating the store, is approximately given by 
where x is the number of videos rented daily. Find the lowest cost to the nearest dollar.
A. $852 B. $636 C. $708 D. $492
For the complex number, state the real part, the imaginary part, and identify the number as real, pure imaginary, or nonreal complex.- 
A. Real part: 
; Imaginary part: -1; Real
B. Real part: 0; Imaginary part: -
; Pure imaginary
C. Real part: -
; Imaginary part: 0; Real
D. Real part: -1; Imaginary part: 
; Pure imaginary