Perform the operation. Write the answer as a fraction in lowest terms.3
+ 4
A. 56
B. 
C. 3
D. 7
Answer: D
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Solve the equation.
- 4 = 0
A. 
B. 
C. ?
D. {42}
Solve, rewrite in interval notation, and graph.8 ? 8x - 8 and 5x + 1 < 31
A. (2, 6]
B. (2, 6)
C. [2, 6)
D. [2, 6]
Provide an appropriate response.The function f(x) = 0.81x + 168.3 models the cholesterol level of an American woman as a function of her age, x, in years. Use the function to find f(29).
A. 191.79 B. 3953.367 C. 198.11 D. 144.81
Solve the problem.A grocery store sells a 20-ounce bottle of pop for $1.60, and a 32-ounce bottle for $2.24. Find the cost per ounce for each size and compare them to determine which is the better deal. Round to two decimal places.
A. 20-ounce bottle: $0.07 per ounce; 32-ounce bottle: $0.08 per ounce. The 20-ounce is the better deal. B. 20-ounce bottle: $0.20 per ounce; 32-ounce bottle: $0.07 per ounce. The 32-ounce is the better deal. C. 20-ounce bottle: $0.08 per ounce; 32-ounce bottle: $0.07 per ounce. The 32-ounce is the better deal. D. 20-ounce bottle: $0.92 per ounce; 32-ounce bottle: $1.07 per ounce. The 20-ounce is the better deal.