Simplify the expression. Assume all variables represent nonzero real numbers.(-4x6y)(-7x4y5)
A. -11x10y5
B. 28x24y5
C. 28x10y6
D. -28x10y5
Answer: C
Mathematics
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Use mathematical induction to prove the following.12 + 42 + 72 + . . . + (3n - 2)2 = 
What will be an ideal response?
Mathematics
Simplify the expression by combining like terms if possible.-b2 + ab2
A. -b2 + ab2 B. ab C. a D. a + 2b2
Mathematics
Name the quadrant or axis in which the point lies.(0, -3)
A. quadrant II B. quadrant III C. x-axis D. y-axis
Mathematics
Find the solution to the system of equations. Round the answer to five decimal places.x 2y + 4z = 19.15514-x - 3y + z = -6.83314x +y - z = 9.34536
A. x = 1.44406, y = 2.64082, z = 2.95249 B. x = 2.46436, y = 2.44041, z = 2.95249 C. x = 1.44406, y = 2.44041, z = 2.64229 D. x = 2.46436, y = 2.64082, z = 2.64229
Mathematics