Solve the problem. Write ratios in lowest terms.Find the unit price for each option. Which is the better buy? 20-ounce bottle of pop for $1.80 40-ounce bottle of pop for $2.40
A. 20-ounce bottle: $0.20 per ounce; 40-ounce bottle: $0.06 per ounce. The 40-ounce is the better buy.
B. 20-ounce bottle: $0.06 per ounce; 40-ounce bottle: $0.09 per ounce. The 20-ounce is the better buy.
C. 20-ounce bottle: $0.09 per ounce; 40-ounce bottle: $0.06 per ounce. The 40-ounce is the better buy.
D. 20-ounce bottle: $0.91 per ounce; 40-ounce bottle: $1.06 per ounce. The 20-ounce is the better buy.
Answer: C
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Solve.log6(x2 + 3x + 19) = log6(x2 + x - 29)
A. 
B. ?
C. {-24}
D. {-24, 24}
Solve the differential equation.3x2y' - 2xy = y-3
A. y4 = 
+ Cx11/3
B. y2 = 
+ Cx8/3
C. y4 = 
+ Cx8/3
D. y2 = 
+ Cx11/3
Find the limit.
A. ?
B. - 
C. 4
D. -?
Determine which of the following methods is the best choice for solving the given equation: factoring, using the principle of square roots or using the quadratic formula. Then, solve the equation.x2 + x + 2 = 0
A. Square root principle or factoring; 1, 0
B. Quadratic formula; 
C. Factoring; -1, 0
D. Square root principle; 