Emma bought 28lbs of soil that is 4 lbs more than last week how many pounds was purchase last week

What are the solutions of the system? solve by graphing. y = -x^2 - 3x + 2 y = -2x + 2

Jada has a meal in a restaurant she adds up the prices listed on the menu for everything they ordered and gets a subtotal of $42.00. when the check comes, it says they also need to pay $3.99 in sales tax. what percentage of the subtotal is the sales tax

In order for the function to be linear, what must m be and why? m = 22 because the rate of change is 1. m = 20 because the rate of change is 3. m = 22 because the rate of change is -1. m = 20 because the rate of change is -3.