Use the substitution method to solve the system of equations. choose the correct ordered pair. x + 3y = 10 a. (–2, 4) b. (2, 4) c. (7, 1) d. (1, 3) y = x + 2

The base of a triangle exceeds the height by 9 inches. if the area is 180 square inches, find the length of the base and the height of the triangle.

Can someone me with my math problem pls my teacher is on my back about this

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