Subtract.(-4a5 - 18a2) - (-13a5 + 13a2)
A. 9a5 - 5a2
B. 9a5 - 31a2
C. -17a5 - 5a2
D. -22a7
Answer: B
Mathematics
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Solve.
+ 
= 4
A. 2, -2
B. 
, -2
C. 0
D. -2
Mathematics
Find x: 11.2x = 1482
a. 1.049 b. 2.074 c. 2.809 d. 3.171 e. 3.023
Mathematics
Find the inverse of the matrix.
?
?
A. ?
B. ?
C. ?
D. ?
E. ?
Mathematics
Solve the problem.The height of a vase is 5 inches. The table shows the circumference of the vase (in inches) at half-inch intervals starting from the top down. Estimate the volume of the vase by using the Trapezoidal rule with n = 10. Round your answer to the nearest thousandth. [Hint: you will first need to find the areas of the cross-sections that correspond to the given circumferences.] Circumferences 
A. 105.479 in.3 B. 62.876 in.3 C. 61.856 in.3 D. 101.552 in.3
Mathematics