120% of a number is 45 find the number

Isabel graphed the following system of equations. 2x – y = 6 y = -3x + 4 she came up with the solution (2,-2). what were the 3 steps she did to get that solution? (make sure they are in the correct order)

What would the rule be for the reflection of y=-3

Sam is picking fruit from a basket that contains many different kinds of fruit. which set of events is independent?