How long does it take a runner to run 12km if he is running at a speed of 7km/h

Find the area of a circle with a circumference of 2pi Either enter an exact answer in terms of 3.14 pi or as a decimal

What is $1,617.12 to the nearest 10?

Whats the unit cost of 1.35

My cousin was interested in reactions that produce carbon dioxide gas. She wondered if there was some way to predict how much gas a reaction would produce.

What happens if you label the starting number x

How many different outcome pairs are possible for rolling a 12 sided dice in a 20 sided dice at the same time?

Sylvia earns $7 per hour at her afterschool job. One week she worked several hours and received a paycheck for $91. Solve an equation to find the number of hours in which Sylvia would earn $91?

What is the domain of f (x) = √ (x) ?

What is the inverse of the function f (x) = 1/9x+2

The school is having a fundraiser they are running in Carnival tickets sell for $0.50 each they are playing you're buying supplies for the carnival that cost $50 how many tickets do they sell to raise at least to $200