Simplify 1/2 (4a+b) - 1/4 (4a+b)

Why might two people in the same state with the same salary pay different rates of income tax?

How do you write 62 decreased by twice vidya's score as an algebraic expression

2 + 2 find the answer to this question and the answer will not be 4

What are the zeros of the function f (x) = 16x-0.04x^2

What is 0.995 rounded to the nearest tenth of an inch

Jason is buying grapes for a picnic. Green grapes cost $2 a pound and red grapes cost $3 a pound. He plans to buy at least 4 pounds of grapes and spend no more than $20.

How do i complete the square for this equation? x^2 + 8x+y^2-2y=64

For every $20 that Carlin saves, his grandmother gives him $30. What is the constant of proportionality? If Carlin saves $150, how much money will his grandmother give him?

To determine the height of a television tower, a person stands 135 ft from its base and determines the angle of elevation to the top of the tower to be 38 degrees. What is the height of the tower?

If sine theta equals one half and pi over two is less than theta is less than pi, what are the values of cos Θ and tan Θ?