Write the algebraic expression described.A quadrilateral is a four-sided figure whose angle sum is 360°. If one angle measures x°, a second angle measures 2x°, and a third angle measures 5x°, express the measure of the fourth angle in terms of x.
A. (8x - 360)°
B. (360 - 7x)°
C. (360 - 8x)°
D. (360 + 8x)°
Answer: C
Mathematics
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- 
= 
A. {13} B. {8} C. {-8} D. {32}
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Solve the problem. Express your answer as an integer or simplified fraction.7x - (5x - 1) = 2
A. 
B. 
C. - 
D. - 
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Use the change-of-base formula and a calculator to evaluate each logarithm.log5 6
A. -1.1133 B. 1.1133 C. 0.8982 D. 2.2266
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Graph the parabola.y = x2 + 2x - 4
A. 
B. 
C. 
D. 
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