What is the percent of change from 1,000 to 800?

Abigail is baking a cake. She requires flour and sugar in the ratio 5:2. If she uses 2 1/2 kg of flour how much sugar is required?

A model of a famous statue is 2 and one half inches tall. The actual statue is 6 and one fourth feet tall. What is the ratio of the height of the model to the height of the actual statue in simplest form?

If f (x) = 6x + 7, solve for x when f (x) = 43

Find the largest number which divides 296 and 1250, leaving remainders 29 and 8 respectively

A recipe for krispy rice treats calls for 6 cups of rice cereal and 40 large marshmallows. You want to make a larger batch of goodies and have 9 cups of rice cereal.

How do we know that it's a parallel line

The Rivera family drove 267.9 miles from their home to Cape Cod, Massachusetts. They used 9.5 gallons of gas. How many miles per gallon of gas did they get on the trip?

What is the product? - 3 4 2 - 5 3 - 2 1 0

Sahir took 1 h 22 min to do his english homework 45 min to do his maths homework, and 10 min to do his urdu. How long did he take to complete all his homework?

Y=3x-16 rate of change?