About how many meters is a 40-yard race

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?

The measures of the legs of a right triangle are 15m and 20m . what is the length of the hypotenuse

Damon makes 20 cups of lemonade by mixing lemon juice and water. the ratio of lemon juice to water is shown in the tape diagram. lemon juice\text{lemon juice} lemon juice water\text{water} water how much lemon juice did damon use in the lemonade? cups