Solve using a proportion. Round your answer to the nearest hundredth when necessary.Find which is the better buy (lower cost per ounce) by finding each unit price rounded to three decimal places if necessary. Shampoo:$4.60 for 20 ounces $2.07 for 9 ounces
A. $4.60 for 20 ounces
B. $2.07 for 9 ounces
C. Both cost the same per ounce.
Answer: C
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Choose one of the four lines graphed which most closely resembles the graph of the given equation.y = 3x - 6
A. 
B. 
C. 
D. 
Solve the problem.A reservation clerk worked 15.75 hours one day. She spent twice as much time entering new reservations as she did verifying old ones and one and a half as much time calling to confirm reservations as verifying old ones. How much time did she spend entering new reservations?
A. 14 hours B. 5.25 hours C. 3.5 hours D. 7 hours
Solve the equation.3(y + 6) = 4(y - 7)
A. {-46} B. {-10} C. {10} D. {46}
State the domain and range in interval notation.f(x) = -7(x - 3)2 - 4
A. domain: (-?, ?); range: [-4, ?) B. domain: (-?, ?); range: (-?, -4] C. domain: (-?, -4]; range: (-?, ?) D. domain: [-4, ?); range: (-?, ?)