Rationalize the denominator. Assume that all variables represent positive real numbers.
A. 4
B. 
C. 
D. 4y
Answer: C
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Solve by the substitution method.x - 3y = 8x = 4y
A. {( 8 ,32)}
B. {( -32 , -8)}
C. 
D. {( 32 , 8)}
Solve the problem. Use 3.14 as an approximation for ? where appropriate.An aluminum cylindrical juice can has a height of 5 inches and a radius of 10 inches. How many square inches of aluminum are needed to make the can?
A. 785.0 in2 B. 942.0 in2 C. 1570.0 in2 D. 471.0 in2
Solve the problem.A woman borrowed $10,000 at 8% interest compounded annually. If the loan was paid off at the end of 6 years, how much did she pay? Round to the nearest cent.
A. $14,800.00 B. $15,868.74 C. $5868.74 D. $10,800.00
State the name of the property illustrated.
(x + 2) = 1, x ? -2
A. Identity property of multiplication B. Commutative property of multiplication C. Inverse property of multiplication D. Inverse property of addition