Express the set in the simplest interval form.(-?, 6] ? (-?, -7)
A. (-?, -7]
B. (-?, 6)
C. (-7, 6]
D. (-?, 6]
Answer: D
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Completely factor the expression.
?
?
A. 
B. 
C. 
D. 
E. 
Find the average value of the function f over the given region.f(x, y) = ex2 over the region bounded by 
, 
, 
, and 
.
A. 2e - 1
B. e - 1
C. 
D. 
The terminal side of an angle in standard position passes through the given point. Write all posssible degree measures of this angle.(-1, 1)
A. 225° + n ? 360°, n any integer B. 315° + n ? 360°, n any integer C. 135° + n ? 360°, n any integer D. 45° + n ? 360°, n any integer
Solve the problem.The perimeter of a triangle is 65 centimeters. Find the lengths of its sides, if the longest side is 7 centimeters longer than the shorter side, and the remaining side is 4 centimeters longer than the shorter side.
A. 20 cm, 22 cm, 23 cm B. 17 cm, 20 cm, 28 cm C. 16 cm, 20 cm, 29 cm D. 18 cm, 22 cm, 25 cm