Charity sells mixed nuts over the internet. Her recipe is 9 parts peanuts to 3 parts cashews to 1 part pecans. How many pounds of cashews are needed to prepare 195 pounds of mixed nuts?
O 49
38
135
45
O 15

Add, subtract, multiply, or divide as indicated. list any restrictions for the variable(s) and simplify the answers when possible. 1) x-2 / x+5 + 3x / 2x-1 2) x+6 / x-6 - x^2 / x+6 3) x+9 / x-4 + x+2 / x^2-11x+28 4) x / x^2-64 + 11 / 2x^2+11x-40 5) 5 / x + 11 / x-3 - x-4 / x^2+2x-15

What are the solutions of the following system? y=-2x^2 y=x-2

Someone me! will award brainliest if u explain and answer!