Which equation represents a proportional relationship? a) y = x 8 b) y = 8 x c) y = x 8 + 8 eliminate d) y = 8 x + 8

Which one is the correct answer, and why?

6cm10 cma conical paper cup has dimensions as shown in the diagram. how much water can the cup hold when full?

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