Perform the indicated operations and simplify the result. Leave the answer in factored form.
? 
A. 
B. 
C. 
D. 
Answer: C
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Provide an appropriate response. A car with a 5-speed transmission can get 32 miles to the gallon in city driving. It can also get 48 miles to the gallon when doing long distance traveling. How many gallons would the owner save if she had traveled 9,216 miles long distance rather than traveling the same distance just in the city?
A. 192 gallons B. 96 gallons C. 288 gallons D. 576 gallons
Rationalize the denominator. Assume that all variables represent positive numbers.
A. 
B. 
C. -1
D. -26
Provide an appropriate response.A store sells two types of calculators. In order to cover overhead, it must sell at least 40 calculators total per week, and in order to satisfy distribution requirements, it must sell at least twice as many of type II as type I. Write a system of inequalities to describe the situation. Let x be the number of type I that it sells in a week and y be the number of type II that it sells in a week. Find the region described by the system of linear inequalities.
What will be an ideal response?
Simplify the expression. Write your answer without negative exponents. Whenever an exponent is negative or zero, assume that the base is not zero.
-5
A. 
B. - 
C. 
D. - 