Determine which size is the best buy.28 oz for $4.2032 oz for $5.44
A. 32 oz
B. 28 oz
C. Equal value
D. Not enough information
Answer: B
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Find the domain of f. Write your answer in interval notation.f(x) = 
A. (-?, -4) B. [4, ?) C. (-?, 4) D. [-4, ?)
Describe the situation with a linear inequality and then solve the inequality.ABC phone company charges $21 per month plus 
per minute of phone calls. XYZ phone company charges $17 per month plus 7¢ per minute of phone calls. How many minutes of phone calls should be made each month to make XYZ phone company a better deal?
A. less than 200 minutes B. more than 20 minutes C. more than 200 minutes D. less than 20 minutes
Add as indicated.8x8 + 5x7 - 4x6 + 4
A. 17x42 + 11 B. 10x8 + 13x7 - 6x6 + 11 C. 12x8 + 12x7 + 15x6 + 7 D. 10x16 + 13x14 - 6x12 + 11
Simplify the expression. If the expression contains any variables, assume that they represent positive real numbers. Write your answer with only positive exponents.
A. 
B. 
C. 817p
D. 