Simplify the expression 2(10)+2(x-4)

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

Simplify. (-2)^-3 a. -8 b. -1/8 c. 1/8 d. 8

Isabelle is mixing red and blue paint to make purple paint she adds 3/10 of a fluid ounce of red to 12/25 of a fluid ounce of blue to make 1 1/30 fluid ounces of purple how many fluid ounces of red paint ounces of red paint will she need to make 3 fluid ounces of purple paint