Perform the row operation(s) on the given augmented matrix.R2 = -5r1 + r2 
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Reverse the order of integration and then evaluate the integral.
A. 
(1 - cos 3)
B. cos 3 - 1
C. 
(1 - cos 3)
D. 2(1 - cos 3)
Mathematics
The following figure has perimeter, circumference, or area as indicated. Find the value of x. Use 3.14 as an approximation for ?.P = 33
A. 9 B. 27 C. 14 D. 10
Mathematics
Solve.A student takes out two loans totaling $11,000 to help pay for college expenses. One loan is at 9% simple interest, and the other is at 8% simple interest. The first-year interest is 
. Find the amount of the loan at 8%.
A. $320 B. $630 C. $7000 D. $4000
Mathematics
Find the indicated intercept(s) of the graph of the function.x-intercepts of f(x) = 
A. (3, 0), (-3, 0)
B. (-3, 0), 
C. (3, 0), 
D. none
Mathematics