25% of what number is 21

The relation of 50 squares to 100 squares can be expressed in many ways which of the following is not a way to express the relationship? A. 5/10 B. 50% C. 0.05 D. 0.5

What is. 86 divided by 5 minus. 3 times. 5

50% of a number is 250

3 (3x+9) = -5-2x what is x

Students visited a zoo where they learned that a large white rhinoceros could weigh as much as 6,000 pounds. How many tons is this? I need dis by 7:00

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?

Find the least common denominator for the fractions 3 4 and 1 12. A) 8 B) 12 C) 16 D) 24