Solve for the indicated variable.x = 
for y
A. y = 2x - 2w - 2z
B. y = 2x - w - z
C. y = x - w - z - 2
D. y = 2x + w + z
Answer: B
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Solve.A school has just purchased new computer equipment for 
The graph shows the depreciation of the equipment over 5 years. The point (0, 19,000) represents the purchase price and the point (5, 0) represents when the equipment will be replaced. Write a linear equation in slope-intercept form that relates the value of the equipment, y, to years after purchase x . Use the equation to predict the value of the equipment after 4 years.
A. y = - 19,000x + 19,000; value after 4 years is $-57,000.00 B. y = 19,000x + 5; value after 4 years is $3,800.00 C. y = - 3800x + 19,000; value after 4 years is $3,800.00; D. y = 3800x - 19,000; value after 4 years is $3,800.00
Simplify. Be sure to rationalize the denominator. Assume that all variables represent positive real numbers.
A. 
- 
B. 
+ 
C. 
D. 
- 
Simplify. Assume that no denominator is zero and that 00 is not considered.m6 ? m4 ? m4
A. m8 B. m28 C. m10 D. m14
Solve the problem by estimating.The Pan family took a trip and traveled 68, 465, 349, 439, 598, and 260 miles on 6 consecutive days. Round each distance to the nearest hundred to estimate the distance they traveled.
A. 2,100 miles B. 2,200 miles C. 2,400 miles D. 2,300 miles