Solve the system of equations.
A. (-6, -2)
B. ?
C. (6, -1)
D. (-7, -1)
Answer: A
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Evaluate the algebraic expression for the given values of the variables.10x - 3y for x = 8 and y = -4
A. 92 B. -64 C. 16 D. 68
Write a quadratic equation in the form ax2 + bx + c = 0 that has the given numbers as solutions.5 + 
, 5 - 
A. x2 + 25x + 36 = 0 B. x2 - 10x + 14 = 0 C. x2 + 10x + 14 = 0 D. x2 - 10x + 36 = 0
Solve.Andrea is having her yard landscaped. She obtained an estimate from two landscaping companies. Company A gave an estimate of $180 for materials and equipment rental plus $45 per hour for labor. Company B gave and estimate of $270 for materials and equipment rental plus $30 per hour for labor. Create a cost equation for each company where y is the total cost of the landscaping and x is the number of hours of labor. Determine how many hours of labor will be required for the two companies to cost the same.
A. 6 hours B. 10 hours C. 5 hours D. 9 hours
Let A = {q, s, u, w, y}, B = {q, s, y, z}, and C = {v, w, x, y, z}. Find the indicated set.B ? (A ? C)
A. {q, s, u, w, y, z} B. {q, r, w, y, z} C. {q, s, y, z} D. {q, w, y}