Mean: another word for mean is to find the mean of a set of values, add up all the values and divide by the number of values in the set . my answer was average . it’s that correct ?

Acollection of coins has value of 64 cents. there are two more nickels than dimes and three times as many pennies as dimes in this collection. how many of each kind of coin are in the collection?

Show your workcan a right triangle have this sides? *how to prove it without using the pythagorean theorema*

Which inequality statement describes the two numbers on a number line? "? 7 and a number 5 units to the right of ? 7"