if some one has 72 apples and they need 1 million 200 hundred. how many do they need left to get? giving away 20 coins.

Draw a tape diagram to represent each situation.for some of the situations,you need to decide what to represent with a variable andre bakes 9 pans of brownies.he donates 7 pans to the school bake sale and keeps the rest to divide equally among his class of 30 students

The standard deviation for a set of data is 5.5. the mean is 265. what is the margin of error?

Prove that the value of the expression 7^8–7^7+7^6 is divisible by 43.