Solve the system of equations with the addition method

x + 2y = 10

x - 2y = 2

How do I solve 53 = - 11 - 4x

Suzie Speedy is insured for bodily injury in the amount of 10/20. She is at fault in an accident in which Vic Victim is injured. Also injured in the accident is a pedestrian, Billy Bystander.

A 2-yard piece of ribbon costs $37.20. What is the price per foot?

Fourteen decreased by a number

The length of the diagonal of a square is six. find the length of a side of the square in simplest radical form.

Brian paid $28 for 13 gallons of gasoline. To the nearest cent, how much did one gallon of gasoline cost?

Suppose that the water level of a river is 34 feet and that it is receding at a rate of 0.5 foot per day. Write an equation for the water level, w, after d days. In how many days will the water level be 26 feet?

What is 56% as a decimal and a friction

Slope intercept form of 5x-2y=6

To get your bearings on the horizontal time axis of this plot, it is useful to calculate the age of the universe in seconds today.