the mass of a ping pong ball is 2.3 grams. how many ping pong balls would it take to equal the mass of earth

There are 45 calories in a candy bar. Alyssa ate 28 candy bars how many calories are there in 27 candy bars

B-4/6=b/2 solve for b

What is 280 as a fraction? Show your work.

What are the solutions of the quadratic equation x^2+11x=-24

Increase 120cm by 24%

The vertex of the parabola is at (-3,-2). Which of the following could be the equation?

What is 500/100 simplified

Jimmy and his family are on their way to visit some family friends who live 780 miles away from them. Based on the route they chose, they expect to complete their trip in three days.

What is $84 increased by 12%

Which term completes the product so that it is the difference of squares? (-5x-3) (-5x+ 09