How do you do 4x - 9 = 6x - 13? what do you subtract from both sides?

A tank contains 8000 liters of water. each day, half of the water in the tank is removed. how much water will be in the tank at the end of: a. the 4th day? b. the 8th day?

you get 27 dollars to spend at the mall for doing 6 chores. Your friend gets 36 dollars for doing 8 chores. what is your pay rate? What is your friends pay rate? Are the pay rates equivalent? Explain

What does 4/2 reduce to?

The will require researchers to fill out documents describing their proposed study in detail.

What is the sqrt of 14

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?