Solve the system by graphing. If there is no solution or an infinite number of solutions, so state. Use set notation to express the solution set.
A. {(1, -4)}
B. {(4, -1)}
C. {(-1, 4)}
D. no solution; ?
Answer: C
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Convert 14 liters to gallons. Round the answer to the nearest hundredth.__________ gal
Fill in the blank(s) with the appropriate word(s).
Roberto received the same score on each of five exams, and his mean score is 94. Find his median score and his modal score.
A. median 89, mode 84 B. median 99, mode 99 C. median 94, mode 94 D. median 84, mode 84 E. median 99, mode 89
Solve the problem.The annual precipitation for one city is normally distributed with a mean of 289 inches and a standard deviation of 3.2 inches. In what percentage of years is the rainfall greater than 295.4 inches?
A. 5% B. 2.5% C. 34% D. 16%
Find A-1 without a calculator.A = 
A. A-1 = 
B. A-1 = 
C. A-1 = 