Find the best buy (based on cost per unit).Brand A: 12 cans for $4.26Brand B: 18 cans for $5.63Brand C: 28 cans for $8.04Brand D: 32 cans for $9.47
A. Brand D
B. Brand C
C. Brand A
D. Brand B
Answer: B
Mathematics
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Simplify.-3 + 8 ? 4
A. 35 B. -20 C. -29 D. 29
Mathematics
Given a normal distribution with mean 120 and standard deviation 5, find the number of standard deviations the measurement is from the mean. Express the answer as a positive number.114.2
A. 1.16 B. 2.4 C. 2.12 D. 1.2
Mathematics
Graph the function.y = sec
A. 
B. 
C. 
D. 
Mathematics
Simplify the complex rational expression.
A. - 
B. - 
C. - 27
D. - 
Mathematics