The cost of diesel fuel varies directly with the number of gallons purchased. if 21 gallons of diesel fuel costs $73.50, how many gallons of diesel fuel can be purchased for $98?

In a classroom of 28 students, 12 students are girls. if a student is selected randomly, what is the probability that the student is a boy?

22,000,000 expanded form

What is the solution to the inequality 10.5x > 147

Find the area of the interior of r = 12sin (theta)

A blue die and a green die are rolled. find the probability that the blue is 1 or 2 and the green is 1

2/w=0.4/0.7 what is w?

2.6 as an improper fraction

The length of a rectangle is 7cm less than twice it's width. If the area is 30 sq. cm, find the dimensions

Heights of 10 year-olds, regardless of gender, closely follow a normal distribution with mean 55 inches and standard deviation 6 inches. Which of the following is true? Roughly 95% of 10 year-olds are between 37 and 73 inches tall.

Express the following as a decimal place75%