Provide an appropriate response.Explain the difference between a single trade discount and a series trade discounts. Give an example of each.
What will be an ideal response?
A single trade discount is a discount of one amount, e.g., 20%, that is subtracted from the list price. A series trade discounts, e.g., 30/15, means that a 30% discount is subtracted from the list price, and from this difference another 15% is subtracted.
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Solve the problem.Police use a formula s = S 
, where S is the test-car speed (mph) and L is the test-skid length (feet), to find the actual speed, s, in an accident which left a skid mark of length x feet. Find the actual speed (to the nearest tenth) when S = 63 mph, x = 150 ft, L = 100 ft.
A. 113.0 mph B. 51.7 mph C. 77.2 mph D. 94.5 mph
Find an equation of variation for the given situation.y varies jointly as x and z, and y = 225 when x = 9 and z = 5
A. y = 25x
B. y = 
C. y = 7xz
D. y = 5xz
Divide.(8m2 + 30m - 8) ÷ (m + 4)
A. 8m - 2 + 
B. m - 2
C. 8m + 2
D. 8m - 2
Combine like terms whenever possible.2x3 + 7x3 - 3x3
A. -42x3 B. 6x3 C. 6x9 D. Not possible