Mark gave 21 tadpoles to his threes friends. Mark gave twice as many tadpoles to David as his did Chris. George received twice as many tadpoles as David. How many tadpoles did each friend receive?

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?