Add or subtract as indicated.-82 + (-97)
A. -179
B. 179
C. -15
D. 15
Answer: A
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Calculate. Round to two decimal places if necessary.
A. 
B. 
C. 
D. 
Write each rate as a unit rate as a phrase, and determine which is a better buy.A 20-ounce bottle of pop costs $1.80. A 32-ounce bottle of pop costs $2.24.
A. 20-ounce bottle: $0.91 per ounce; 32-ounce bottle: $1.07 per ounce. The 20-ounce is the better buy. B. 20-ounce bottle: $0.07 per ounce; 32-ounce bottle: $0.09 per ounce. The 20-ounce is the better buy. C. 20-ounce bottle: $0.09 per ounce; 32-ounce bottle: $0.07 per ounce. The 32-ounce is the better buy. D. 20-ounce bottle: $0.20 per ounce; 32-ounce bottle: $0.07 per ounce. The 32-ounce is the better buy.
Solve the system of equations by the substitution method. Check your solutions. For any dependent equations, write your answer in ordered pair form.
A. {(-4, 3), (-3, 4)} B. {(4, -3), (3, -4)} C. {(-4, -3), (-3, -4)} D. {(4, 3), (3, 4)}
Write your answer in lowest terms.There are 36 inches to a yard. What fraction of a yard is 4 inches?
A. 
B. 4
C. 9
D. 