Use the commutative and/or associative laws to rewrite the given expression. Label each step with a reason.(z8)5 as 40z

What will be an ideal response?


 (z8)5 = z(8?5)  Using the associative law
  = z(40)   Simplifying
  = 40z   Using the commutative law

Mathematics

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Find the slope and the y-intercept.5x + y = 4

A. = 5; (0, 4)
B. = -5; (0, 4)
C. = 
D. = - 

Mathematics

Solve the problem.Irene wants to invest $36,000 in stocks, bonds, and gold coins. She knows that her rate of return will depend on the economic climate of the country, which is difficult to predict. After some research and analysis, she determines the annual profit in dollars that she would expect per hundred dollars on each type of investment, depending on whether the economy is strong, stable, or weak. How should Irene invest her money in order to maximize her profit regardless of what the economy does? In other words, consider the problem as a matrix game in which Irene is playing against "fate".

A. Irene should invest $14,000 in stocks, $8000 in bonds, and $18,000 in gold. B. Irene should invest $12,000 in stocks, $8000 in bonds, and $16,000 in gold. C. Irene should invest $16,000 in stocks and $20,000 in gold. D. Irene should invest $15,000 in stocks and $21,000 in gold.

Mathematics

Solve the equation.x + 5 = -29 + 10

A. -24 B. 44 C. 24 D. -44

Mathematics

Plot the point given in polar coordinates.(2, 45°) 

A.

B.

C.

D.

Mathematics