Translate the English statement into an inequality.The cost of shoes must be less than $63. (Use the variable c for the cost.)
A. c ? 63
B. c > 63
C. c < 63
D. c ? 63
Answer: C
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Integrate the function.
A. 
B. 
C. ?
D. 2 sin-1 
Translate the problem to a system of equations, then solve using Cramer's Rule.The sum of a student's three scores is 218. If the first is 22 points more than the second, and the sum of the first two is 14 more than twice the third, what was the first score?
A. 46 B. 68 C. 86 D. 64
A matrix has an inverse if and only if its determinant does not equal 0. Determine whether the given matrix has an inverse.
A. No B. Yes
Solve the problem.Ron takes two hr more time than Paul to mow the lawn. Working together they can mow the lawn in 
. How long does it take each of them working alone? Round to the nearest tenth, if necessary.
A. Paul: 9.1 hr; Ron: 11.1 hr B. Paul: 8.3 hr; Ron: 10.3 hr C. Paul: 10 hr; Ron: 12 hr D. Paul: 8 hr; Ron: 10 hr