How do I write - 2.5 into a fraction?

The formula of a rectangle is p=2l + 2w

A 13.5 gallon tank is 4/5 full how many gallons will it take to fill the tank

Find the area of a square with each side length of 8 units

The differential equation below models the temperature of a 95°C cup of coffee in a 19°C room, where it is known that the coffee cools at a rate of 1°C per minute when its temperature is 70°C.

The recipe requires 3 eggs for every 2 cups. To have enough cookies for all of her friends, Maritza determined she would need 12 eggs. If her mom bought 6 cups of sugar, does Maritza have enough sugar to make the cookies?

How many sixths does it take to make the same amount as 6/12

Find the nth term of this sequence 1 3 5 7 9

Frank owns an entire block, which happens to be a perfectly square piece of land. one corner of the block is in the intersection of Slauson ave. and carmelita.

Solve - 1 3/8 K equals 2/3

What is the answer for h (x) = -9/8x-5/8