Kathleen and Angel are monitoring traffic near their school. Assume the rate is constant. If they count 221 cars passing by in 17 minutes, how many cars are passing by each time

Simply each expression 6x-6-6-5x+2

How do u get 55 from 3 7 12 2

What is the answer to 2 3/5 - 3/4

A certain star is 1.135 * 10^14 km away from Earth. If light travels at 9.4607 * 10^12 km per year, how long will it take for light from the star to reach Earth?

A right triangle has hypotenuse c=4 inches and leg b=3 inches. find the exact length of the missing side. a=? inches

5. Andre is solving the equation 4 (x + 3) = 7. He says, "I can subtract from each side to get 4x = 1 and then divide by 4 to get x = " Kiran says, "I think you made a mistake." a. How can Kiran know for sure that Andre's solution is incorrect? b.

On three examinations, Dana received scores of 84, 89, and 78. What score does Dana need on the fourth examination to raise his average to 85?

You have a Spanish meeting every forth day and a math club meeting every tenth day. Today you have both meetings. In how many days will you have both meetings on the same day again?

5.2 turned into a fraction in simplest form.

A certain laptop is really popular and sells for $199.99. Since sales are so good, the store raises the price by 13%. What is the cost of the laptop after the markup?