2.1x-0.9y=15

-1.4x+0.6y=10

Which formula would allow you to calculate the area of a circle

Teachers of two history classes bought tickets to go on a field trip to a local museum. Mr. Lowe paid $115 for 4 adult tickets and 20 student tickets. Mrs. Tucker paid $135.25 for 5 adult tickets and 23 student tickets.

Consider this equation. 5/8 x = 1/2 x + 2 Generate a plan to solve for the variable. Describe the steps you'll use.

144 divided by 8 in distributive property

Seth purchased a printer for $350. The price of the printer that Jose purchased was 4/5 the price that Seth payed. How much did Jose pay?

How do you write 120% as a decimal and as a fraction

Find the derivative of the function. y = √ (11x + √ (11x + (√11x)))

Carmen spent $88 at the mall the money she spent was 25% of the total amount she had in her wallet

Which of the following situations can be modeled with a periodic function? A) the height of a football after it has been thrown B) the height of a person riding on an escalator C) the height of a building after it has been constructed D) the height

Solve 1/3 x = - 4/5?