Which of the following is a method used to solve systems of equations? A. Substitution B. Graphing C. Gaussian elimination D. All of the above

At 5 A. M the temperature was - 7 C in the afternoon the temperature was 4 C what was the change of temperature during the day

Solve the expression 9.50h+60=460

A gardener is planting two types of trees: Type A is 3 feet tall and grows at a rate of 21 inches per year. Type B is 8 feet tall and grows at a rate of 15 inches per year.

Rachel bought a sheet of fifty 33-cent stamps from the post office. She paid for the stamps with a $20 bill. How much money should she get back?

Polygon HH is a scaled copy of Polygon GG using a scale factor of 1/4. Polygon H's area is what fraction of Polygon G's area?

A brownie recipe requires one and one third cups of sugar to one cup of chocolate chips. If four and two thirds cups of sugar is used, what quantity of chocolate chips will be needed, according to the recipe? ... ?

Which is the greatest common factor between both 6and30

How many feet are in 5 meters?

How do you write 84% as a fraction, mixed number, or whole number in simplest form?

What is y = 3/2x+3 y=-3 btw i need the steps not just the answer