Use the Pythagorean theorem to find the unknown side of the right triangle.
A. 11
B. 15
C. 14
D. 12
Answer: D
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Simplify by factoring.
A. 4
B. 5
C. 4
D. 16
Solve.The distance that an object falls when it is dropped is directly proportional to the square of the amount of time since it was dropped. An object falls 39.2 meters in 2 seconds. Find the distance the object falls in 4 seconds.
A. 39.2 meters B. 156.8 meters C. 78.4 meters D. 8 meters
For the expression,a) determine the number of terms;b) write down each term; andc) write down the coefficient for each.Be sure to simplify the expression before answering.9a2 - 9a + 5
A. a) 3 b) 9a2, -9a, -5 c) 9, -9, -5 B. a) 2 b) 9a2, -9a c) 9, -9 C. a) 3 b) 9a2, -9a, 5 c) 9, -9, 5 D. a) 3 b) 9a2, 9a, 5 c) 9, 9, 5
Simplify.(2m2 + 6mn + 2n2) - 
A. 6m2 + 8mn + 10n2 B. -2m2 + 4mn + 10n2 C. -2m2 + 4mn - 6n2 D. -2m2 + 8mn - 6n2