30 tens equals how many hundreds

One exhibit at the aquarium has 5 fish tanks. Each fish tank holds 50 gallons of water. How much water do the 5 tanks hold

Evaluate 4x-3y, when x=2 and y=1

In a class of 25 students, 15 of them have a cat

Do two even numbers added together always make a even number

Christian is categorizing each fraction shown as either a terminating decimal or a repeating decimal. Sort each fraction into the correct category. 54/5, 2 14/15, 20 1/12, 71/4, 33/2, and / 16 5/8

In Lisa class, 24 of the students are tall and 12 are short. In Paul's class 15 students are tall and 20 students are short. Which class has a higher ratio of tall to short students?

A car depreciate $2000 each year it was owned and driven. What type of depreciation is this?

0.5 divide blank = 0.05

What's the parabola in vertex for for (-5,0) and has a vertex (-2,1)

He length of a rectangle is 7 in greater than the width. the area is 30 in squared2. find the length and the width