Find the measure of each marked angle. 

A. 83° and 7°
B. 86° and 86°
C. 83° and 97°
D. 83° and 83°


Answer: D

Mathematics

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Solve. Round decimals to the nearest thousandth and percents to the nearest tenth of a percent.Write the equivalent decimal and percent for .

A. 0.665; 665% B. 0.545; 5.45% C. 0.545; 54.5% D. 0.665; 66.5%

Mathematics

Subtract and simplify.

A. 15
B. 12
C. 14
D. 14

Mathematics

Graph the quadratic function using its vertex, axis of symmetry, and intercepts.f(x) = -x2 - 4x - 3

A. vertex (2, 1)
intercepts (1, 0), (3, 0), (0, -3)

B. vertex (-2, 1)
intercepts (-1, 0), (- 3, 0), (0, -3)

C. vertex (2, -1)
intercepts (1, 0), (3, 0), (0, 3)

D. vertex (-2-1)
intercepts (-1, 0), (- 3, 0), (0, 3)

Mathematics

Graph the ellipse.3x2 + 5y2 - 24x + 50y + 158 = 0

A.

B.

C.

D.

Mathematics