It takes 36 minutes for 7 people to paint 4 walls. How many minutes does it take 9 people to paint 7 walls?

What number multiplied by 86 will give the same product as 163 multiplied by 430?

Is negative square root of 4 a rational number

Write an expression to represent the following: Five more than the product of 9 and a number u

An automobile company has 10 choices of body styles and 8 choices of engines. How many combinations are available?

The sum of two numbers is 38. the smaller number is 16 less than the larger number. what are the numbers?

If a Roadrunner ran 80 miles and 4 hours, how long will it take the Roadrunner to run 60 miles? Explain or show how you determined this.

How tall is now that is 10 meters in length and 5 meters in width

Priya looks at the inequalities 12-X>5 and says " I subtract a number from 12 and wants a result that is bigger than 5. That means that the solutions should be values of x that are smaller than something.

If f (x) = 2x2 + 2, find f (5).

Dave received 120$ for his birthday from his parents and his friends. He went on a shopping spree and spent 2/5 of his money on a t-shirt and 1/6 on mountain bike magazines. How much money does he have left.