Convert the angle from radians to degrees.
A. 90°
B. 180°
C. 360?°
D. 144°
Answer: A
Mathematics
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Reverse the order of integration and then evaluate the integral.
A. 9 B. 15 C. 11 D. 5
Mathematics
Factor by grouping.15a3 + 12a2b - 25ab2 - 20b3
A. (3a2 + 5b2)(5a - 4b) B. (3a2 - 5b2)(5a + 4b) C. (15a2 - 5b2)(a + 4b) D. (3a2 - 5b)(5a + 4b)
Mathematics
Solve the equation. Express radicals in simplest form.(2m - 5)2 = 25
A. 0, -5 B. 0, -10 C. 10, 0 D. 5, 0
Mathematics
Provide an appropriate response.A survey of residents in a certain town indicates 170 own a dehumidifier, 130 own a snow blower, and 80 own a dehumidifier and a snow blower. How many own a dehumidifier or a snow blower?
A. 170 B. 250 C. 80 D. 220
Mathematics