Find the quotient.
A. -10
B. 0
C. 
D. 10
Answer: D
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Solve using the elimination method. If the system has an infinite number of solutions, use set-builder notation to write the solution set. If the system has no solution, state this.-0.5x + 0.5y = 0.5-0.1x + 0.1y = 0.1
A. (20, 30) B. (3, 2) C. (2, 3) D. {(x, y)|-0.5x + 0.5y = 0.5}
Graph the pair of polar equations on a calculator, together on the same screen, and use the trace feature to estimate the polar coordinates of all points of intersection of the curves. Round to the nearest hundredth, if necessary.r = 7, r = 4 + 3 sin ?
A. (1.57, 7) B. (7, 1.57), (7, 4.712) C. (7, 3.14) D. (7, 1.57)
Show that the functions f and g are identically equal.f(x) = csc x ? sec x, g(x) = cot x + tan x
What will be an ideal response?
Use the REGRESSION feature on a graphing calculator.Efficiency experts rate employees according to job performance and attitude. The results for several randomly selected employees are given below.
Find the regression line which can be used to predict performance rating if attitude rating is known.
A. y = 92.3 - 0.669x B. y = 2.81 + 1.35x C. y = -47.3 + 2.02x D. y = 11.7 + 1.02x