Rationalize the denominator. If any variables are present, assume that they represent nonnegative numbers, and assume that the denominator is not zero.
A. 
- 
B. 
C. 
D. 
Answer: C
Mathematics
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Find the area of the shaded region. Round results to the nearest unit.
A. 103 in.2 B. 267 in.2 C. 211 in.2 D. 319 in.2
Mathematics
Use Simpson's Rule with n = 4 steps to estimate the integral.
A. -(1 + 2
) ?
B. - 
?
C. - 
?
D. - 
?
Mathematics
Solve.Amy traveled from home to school. Her odometer read 23,430.7 miles at the start and 23,501.7 at the end of the trip. She used 3.5 gallons of gas. How many miles per gallon did her car achieve? Round to the nearest tenth.
A. 20.3 miles per gallon B. 22.4 miles per gallon C. 18.6 miles per gallon D. 23.5 miles per gallon
Mathematics
Solve the system of equations by Gaussian elimination.
A. {(0, 3, 0)} B. {(0, 3, -3)} C. {(0, 0, 3)} D. ?
Mathematics