Solve the triangle. Round the answer to the nearest tenth. 
A. A ? 112.0°, B ? 52.6°, C ? 15.4°
B. A ? 106.0°, B ? 55.7°, C ? 18.3°
C. A ? 138.0°, B ? 32.6°, C ? 9.4°
D. A ? 120.4°, B ? 47.1°, C ? 12.5°
Answer: A
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Find parametric equations to represent the line segment from (-3,4)to(12,-8). Select the correct answer.
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Solve.The bar graph shows the median annual income for residents of a selected region of the United States, by level of education. The given polynomial models describe the median annual income for men, M, and for women, W, who have completed x years of education.M = -23x3 + 1170x2 - 13,808x + 72,566W = 8x3 - 56x2 + 511x + 14,763Find a mathematical model for M - W and use it to calculate the difference in the median annual income between men and women with 12 years of education. Does the model underestimate or overestimate the actual difference?
A. $8951; underestimates B. $7177; underestimates C. $21,215; overestimates D. $12,391; overestimates
Simplify the expression by combining like terms.3y - y - 8y
A. -4y B. -5y - y C. -6y D. -5y
Graph the function by starting with the graph of the basic function and then using the techniques of shifting, compressing, stretching, and/or reflecting.f(x) = 
A. 
B. 
C. 
D. 