Multiply.
y3(8x + 5y - 3)
A. 4xy3 + 
y4 - 
y3 + 
y3
B. 4x2y3 + 
xy4 - 
y3
C. 4xy3 + 
y4 - 
y3
D. 4y3 + 
y4 - 
y3
Answer: C
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Evaluate the expression.(-3)2
A. 9 B. 6 C. -9 D. -6
Solve the formula for the specified variable.A = 
h(b1 + b2) for b1
A. b1 = 
B. b1 = 
C. b1 = 
D. b1 = 
The problem describes procedures that are to be applied to numbers. Represent the original number as n and use deductive reasoning to prove a conjecture that relates the result of the process to the number n.Select a number. Multiply the number by 88. Add 88 to the product. Divide this sum by 44. Subtract two from the quotient.
A. 
- 2 = 2n + 2 - 2 = 2n
B. 
- 1 = n + 1 - 1 = n
C. 
- 2 = n + 1 - 2 = n - 1
D. 
- 2 = 2n + 1 - 2 = 2n - 1
Find the vertex, focus, and directrix of the parabola with the given equation.(y + 3)2 = -4(x - 2)
A. vertex: (-3, 2) focus: (-4, 2) directrix: x = -2 B. vertex: (2, -3) focus: (3, -3) directrix: x = 1 C. vertex: (2, -3) focus: (1, -3) directrix: x = 3 D. vertex: (-2, 3) focus: (-3, 3) directrix: x = -1