Translate the sentence into an equation using the variable x.A number minus 2 equals 4.
A. x - 2 = 4
B. 2 - x = 4
C. x = 4 - 2
D. x = 2 - 4
Answer: A
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You sell heating oil. Your yearly storage cost C, in dollars, depends on the amount q, in thousands of gallons, of heating oil you order at the beginning of the season. The relationship is
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There are two heating oil order sizes that will result in a yearly storage cost of 142 dollars. Find both of them. Round the number of thousand gallons to two decimal places if necessary.
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A. 2.01 thousand gallons and 8.14 thousand gallons B. 0.36 thousand gallons and 7.56 thousand gallons C. 35.12 thousand gallons and 0.38 thousand gallons D. 37.91 thousand gallons and 37.99 thousand gallons
Solve the problem. Assume that simple interest is being calculated in each case. Round your answer to the nearest cent.Andy Jones opened a security service company. To pay for startup costs, Andy Jones borrowed 
from a bank at 5% for 1 year. Find the interest.
A. $2940.00 B. $51,450.00 C. $2450.00 D. $245.00
Give the coordinates of the vertex and graph the equation in a window that includes the vertex.y = (x - 4)2 + 2
A. Vertex: (-4, 2)
B. Vertex: (-4, -2)
C. Vertex: (4, -2)
D. Vertex: (4, 2)
Factor completely, or state that the polynomial is prime.64b2x - 9y - 9x+ 64b2y
A. (8bx + 3y)(8bx - 3y) B. (8bx - 3y)2 C. (8b + 3)(8b - 3)(x + y) D. prime