Bill notes that his apple tree, of height 4 meters, is four-fifths the size of his pear tree. How tall is the pear tree?

Every week, Mr. Kirkson uses 316 gallon of water to water every 13 square foot of his garden. How many gallons of water does Mr. Kirkson use per square foot to water his garden each week?

How to find percentage of area

What is the value of n in the number sentence 5x (52-40) + 360/50=n

Scientific notation for 13,300

Factor completely 5x^4-80

The sum of 2 and 4 increased by 12

25% of = 15 what is in the blank?

Simplify the expression 8-4n+9n+7+10n

A vehicle is traveling at a rate of 65 miles per hour. how many feet per hour is this

In a certain lottery, three white balls are drawn (at random) from ten balls numbered from 1 to 10, and one red SuperBall is drawn (at random) from ten balls numbered from 11 to 20.