Solve the system by graphing. If there isn't a unique solution to the system, state the reason.4x + y = 0-4x + y = -8
A. (1, 8)
B. (-1, -4)
C. (1, -4)
D. (-1, 4)
Answer: C
Mathematics
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Use properties of exponents to simplify the expression. Express answers in exponential form with positive exponents only. Assume that any variables in denominators are not equal to zero.(-2x4y-4)(-5x4y2)
A. 
B. 10x6y8
C. 10xy8
D. 
Mathematics
Find the requested function value.Find (f ? g)(3) when f(x) = -4x - 8 and g(x) = 3x2 - 4x - 2.
A. 12 B. 18 C. 1278 D. -60
Mathematics
Factor the trinomial or state that the trinomial is irreducible.5x2 + 18x + 8
A. (5x - 2)(x + 4) B. irreducible C. (5x + 2)(x - 4) D. (5x + 4)(x - 2)
Mathematics
Find the area. Use 3.14 for ?.
A. 45.5 in.2 B. 52.5 in.2 C. 105 in.2 D. 22 in.2
Mathematics