Use properties of rational exponents to simplify the expression. Assume that any variables represent positive numbers.z-2/7 ? z3/7
A. z6/7
B. z7/6
C. z-1/7
D. z1/7
Answer: D
Mathematics
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Provide an appropriate response.A typical aluminum soda can contains 385 mL of soda. How many liters is this?
A. 0.0385 L B. 3.85 L C. 38.5 L D. 0.385 L
Mathematics
Sketch an angle ? in standard position that satisfies the stated conditions.Supplementary to 90° 
A. 
B. 
C. 
D. 
Mathematics
Use the table to find the monthly checking-account service charge for the account. 
DynaPro Golf, 24 checks, average balance $460
A. $14.40 B. $7.40 C. $12.30 D. $16.80
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Solve the problem.The number of cows that can graze on a ranch is approximated by 
where x is the number of acres of grass and y the number of acres of alfalfa. If the ranch has 
of alfalfa and 
of grass, how many cows may graze?
A. 565 cows B. 342 cows C. 345 cows D. 562 cows
Mathematics