4(x+2−5x) when x=2. solve

it isnt 6 btw

If f(x) = x+8 and g(x) = 4x- 3, find (f+g)(x)

Someone answer asap for ! the following statements are true about the coins calvin and sasha have collected. * calvin and sasha has the same amount of money. * calvin has only quarters. * sasha has dimes, nickels, and pennies * calvin has the same number of quarters as sasha has dimes. * sasha has $1.95 in coins that are not dimes. exactly how many quarters does calvin have?

Bring the fraction a/a-4 to a denominator of 16-a^2