Define a variable and write an equation for each real-world problem. 1] matt spent $ 6.50 on his lunch. this is $2.25 more than his friend jackson spent on his lunch. how much did jackson spend on his lunch?

Answer each of the questions for the following diagram: 1. what type of angles are these? 2. solve for x. what does x equal? 3. what is the measure of the angles?

How many liters of peroxide should be added to 12 liters of an 8% peroxide solution so that the resulting solution contains 16% peroxide?   original added new amount of peroxide 0.96 liters x 0.96 + x amount of solution 12 liters x 12 + x 0.18 liter 1.14 liters 1.92 liters 2.10 liters

Explain how you can show five less than a number using algebraic expression