Solve.x2 = 121
A. 11
B. -12, 12
C. -11, 11
D. 60.5
Answer: C
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Describe the situation with a linear inequality and then solve the inequality.It takes 10 minutes to set up a candy making machine. Once the machine is set up, it produces 30 candies per minute. Use an inequality to find the number of candies that can be produced in 5 hours if the machine has not yet been set up.
A. at most 150 candies B. at most 1500 candies C. at most 2700 candies D. at most 8700 candies
Find the difference.1 - (15 - 5)
A. 21 B. 11 C. -19 D. -9
Solve the problem.Joe wants to find out how far it is across the lake. His boat has a speedometer but no odometer. The table shows the boats velocity at 10 second intervals. Estimate the distance across the lake using right-end point values.
A. 3730 ft B. 373 ft C. 5600 ft D. 3830 ft
Find the best buy (based on cost per unit).You have a coupon for 63 cents off Brand A cereal and a coupon for 39 cents off Brand B. A box of 
cereal costs $2.84 for 10.5 ounces. A box of Brand B cereal costs $4.88 for 19.5 ounces. If you use a coupon, which cereal is the better buy?
A. Equal value B. Brand A C. Brand B D. Not enough information