7x - 9y = 23 find the value of y when x equals 11

In the lab, Jenny has two solutions that contain alcohol and is mixing them with each other. She uses 200 milliliters less of Solution A than Solution B. Solution A is 14% alcohol and Solution B is 17% alcohol.

You have 2/4 of a pizza and you want to share it equally between 2 people how much of the pizza does each person get

Expand and simplify (x-7) (x-2)

Find the percent of increase or decrease from the first number to the second number. 140 to 84

The slope of a line that is perpendicular to a line whose slope is 3/8 is

Write an equation for the line through (3.5,-2.3) x intercept 5.1

Find two consecutive integers whose sum is 45

Price:? Discount: 80% Sale Price: 90

Y = 2x + 4 2x - y = 6

When i shift the graph of y=2x+5