Match the property with the example of it.Associative property
A. (7 + 2) + 1 = 7 + (2 + 7)
B. (7 + 2) + 1 = 7 + (2 + 1)
C. (7 + 2) + 0 = (7 + 2)
D. (7 + 2) + 1 = (2 + 7) + 1
Answer: B
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Are the sets equal?A = {31, 33, 35, 37, 39}B = {32, 34, 36, 38, 40}
A. Yes B. No
Solve the linear equation with the intersection-of-graphs method. Approximate the solution to the nearest hundredth if necessary.
= 
A. -0.8 B. 1.67 C. 1.43 D. -2
Write the system in the form 
Then solve the linear system by computing 
with a calculator. Round numbers to the nearest tenth, as necessary.2.6x - 0.7y + 5.3z - 3.4w = 12.9 6.5y + 0.7w = -1.8 4.0z - 2.2w = 1.54.9x + 0.6w = 3.2
A. (2.2, 1.1, -6.4, -12.4) B. (-2.2, 1.1, -6.4, 23.3) C. (2.2, 1.1, 7.2, 12.4) D. (2.2, -1.1, -6.4, 7.6)
Find the constant of variation and construct the function that is expressed in each statement.y varies jointly as x and the square of w: y = 584.808, when x = 4.8 and w = 5.9.
A. y = 4.302x2w B. y = 3.5xw2 C. y = 20.65xw D. y = 20.65xw2