Find the determinant.det 
A. -686
B. 4
C. 71
D. 62
Answer: A
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Give the domain and range of the relation.
A. domain: (-?, 0] ? [0, ?); range: (-?, -2] ? [-2, ?) B. domain: (-?, ?); range: (-?, ?) C. domain: (-?, 0) ? (0, ?); range: (-?, -2) ? (-2, ?) D. domain: (-?, -2) ? (-2, ?); range: (-?, 0) ? (0, ?)
Solve the problem. Use 3.14 for ?. Round your answer to the nearest hundredth.Glenda wants to glue glitter over a piece of felt shaped like a parallelogram with a height of 32 in. and a base of 54 in. If the glitter costs $0.90 per ft2, how much will it cost to cover the felt?
A. $1555.2 B. $43.20 C. $10.80 D. $129.60
Solve the problem with three unknowns.The sum of a student's three scores is 207. If the first is 13 points more than the second, and the sum of the first two is 3 more than twice the third, what was the first score?
A. 63 B. 55 C. 76 D. 68
Find the area of the geometric figure.Parallelogram
3 m
A. 20.25 sq m B. 10.125 sq m C. 40.5 sq m D. 20.25 m