Solve the problem.Find the measures of the vertical angles.

A. 57° and 57°
B. 33° and 33°
C. 3° and 3°
D. 84° and 84°


Answer: A

Mathematics

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Solve the inequality, then graph the solution.-1 < -2z + 5 ? 7

A. (-1, 3]

B. (-3, 1]

C. [-1, 3)

D. [-3, 1)

Mathematics

Find the magnitude of the indicated vector.If u = 2i + j and v = -6i + j, find the magnitude of u + v.

A. 2
B. 8
C.
D.

Mathematics

Solve the problem.A redwood tree is 66.8 meters tall. Convert this to feet. Round to the nearest hundredth of a foot. 

A. 218.44 ft B. 169.67 ft C. 20.37 ft D. 72.81 ft

Mathematics

Calculate .A = 

A. -22 B. 94 C. -10 D. 10

Mathematics