Simplify the rational expression. Find all numbers that must be excluded from the domain of the simplified rational expression.
A. 
, x ? -9, -5
B. 
, x ? - 
C. 
, x ? - 
D. - 
, x ? -9, -5
Answer: A
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Solve the problem.When students at the local university held a food drive, 320 cans of food were collected on the first day of the drive, 160 the second day, 80 the third day, and so on. Find the total number of cans collected the first five days.
A. 620 cans B. 850 cans C. 630 cans D. 600 cans
Solve.If the area of a rectangle is 14 square centimeters and its length is 7 centimeters, what is its width?
A. 98 centimeters
B. 7 centimeters
C. 2 centimeters
D. 
centimeters
Solve the problem.If y varies inversely as x, and y = 
when x = 
, find y when 
A. y = 
B. y = 
C. y = 
D. y = 5
Name the property illustrated.5z ? 1 = 5z
A. commutative property of multiplication B. inverse property of multiplication C. distributive property D. identity property of multiplication