Which Property of Multiplication is shown ? (2 + 8) x 6 = 2 x 6 + 8 x 6

Two blends of tea are mixed to make a blend that will be sold at the fair. black tea sells for $2.20 per pound and orange pekoe tea sells for $3.00 per pound. how much of each should be used to obtain a 4lb blend selling for $2.50 per pound?

F(x)=5/6x+3 which of the following is true

How do i i solve this equation? -18 = x/3 + 3