Determine whether the first literal expression is equal to the second literal expression.a + b, b - (-a)
A. Yes
B. No
Answer: A
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Solve the problem.A tank truck hauls oil in a 
horizontal right circular cylindrical tank. If the density of the oil is 
, how much force does the oil exert on each end of the tank when the tank is half full?
A. 320 lb B. 480 lb C. 160 lb D. 720 lb
Evaluate the expression.10 + 4 ÷ 2 ? 4 - 6
A. 22 B. 12 C. 50 D. 24
Use the elimination method by addition to find the solution for the following system.
A. x = -4, y = 6 B. x = -4, y = 5 C. x = -5, y = 6 D. The system is inconsistent.
The loudness of a sound of intensity x, measured in watts per square meter, is defined as L(x) = log (
), where xo = 10-3.You have two friends, Jim and Amy. Jim always yells when he speaks, and Amy always whispers. The loudness of Jim's voice is 120 decibels, and the loudness of Amy's voice is 20 decibels. Determine how many times as intense Jim's voice is as compared at Amy's.
What will be an ideal response?