15 golf balls that were found in the lake were made from recycled materials. These balls were 20% of all the balls in the lake. How many golf balls were in the lake?

Which polynomial represents the difference below? (7x2 + 8) - (4x2 + x + 6) A. 3x2 + x + 14 B. 3x2 - x + 2 C. 11x2 - x + 2 D. 11x2 + x + 14

Spencer had room for 16 rows of tomatoes and onions in his garden. He planted 3 rows of tomatoes for every 5 rows of onions. How many rows of tomatoes did he plant?

What is the GCF of 24 and 60?

An 81 inch length of ribbon is cut into 3 pieces. the longest piece is 34 inches longer than the shortest piece. the third piece is to be half the length of the longest piece. find the length of each piece of ribbon.

A car completes a journey of 570 km at an average speed of 75 km/h calculate the time taken for the journey in hours and minutes

How to identify the vertex of a quadratic function

3/8 of the students in Ms. Mull's class ride the bus. If there are 24 students in the class, how many students ride the bus?

An object that weighs 1 pound on earth weighs 1.19 pounds on Neptune. Suppose her dog weighs 9 pounds on earth. How much would the same dog weigh on Neptune.

Which statement is true about the following equation 3.5z=2.25z-4.25+6.25 A. it has no solution. B. it has one solution. C. it has two solutions. D. it has infinitely many solutions.

If the surface area of a certain body of water is 400ft2 and the surface area to volume ratio is 1:11 what is the volume of the body of water?