Solve the problem.A survey of 240 families showed that 91 had a dog; 70 had a cat; 31 had a dog and a cat; 91 had neither a cat nor a dog nor a parakeet; 7 had a cat, a dog, and a parakeet.How many had a parakeet only?
A. 34
B. 24
C. 29
D. 19
Answer: D
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A rental car charges $55.09 for insurance and other fees plus a flat rate of $26.97 per day. Write a formula that gives the cost C, in dollars, of renting a car for t days. ?
A. 
B. ?
C. ?
D. ?
Solve the problem.Greg is opening a car wash. He estimates his cost equation as 
and his revenue equation as 
where x is the number of cars washed in a six-month period. Find the number of cars that must be washed in a six-month period for Greg to make a profit.
A. At least 3826 cars B. At least 38,252 cars C. At least 2826 cars D. At least 383 cars
Express as a sum of logarithms.log6 0.7y
A. log 6 +log 0.7
B. log 0.7 + log y
C. log6 
D. log6 0.7 + log6 y
? is a central angle that cuts off an arc of length s. Find the radius of the circle if 
, s = ? cm.
?
A. 9 cm B. 14 cm C. 12 cm D. 12.1 cm E. 13 cm