If possible, solve each system by an algebraic method (substitution or addition method). Otherwise, state that the problem has no solution or an infinite number of solutions. y - 2x = 46y = 12x + 24
A. No solution
B. (-1.5, -1)
C. (1, 1)
D. Infinite number of solutions
Answer: D
Mathematics
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Use the order of operations to evaluate each problem.3 ? (7 - 1) + 
A. 31 B. 25 C. 39 D. 27
Mathematics
Factor the GCF from the polynomial.-32x4 + 22x2 - 16x3
A. -2x2(16x2 + 11 + 8x) B. 2x2(16x2 + 11 - 8x) C. -2x2(16x2 - 11 - 8x) D. -2x2(16x2 - 11 + 8x)
Mathematics
Divide the polynomial by the monomial.
A. 10x4 + 7x3 - 2
B. 10x2 + 7x - 2
C. 5x4 + 
x3 - 1
D. 10x4 + 7x - 2x2
Mathematics
Two sides of a right triangle ABC (C is the right angle) are given. Find the indicated trigonometric function of the given angle. Give exact answers with rational denominators.Find cos A when a = 7 and b = 6.
A. 
B. 
C. 
D. 
Mathematics