Solve 1 + 7r - 6r = 1 - 5r + 2r

Chairs for an orchestra are positioned in a curved form with the conductor at the center. The front row has 16 chairs, the second has 20 and the third has 24, and so on.

1/2 (14) (5) what is the answer

Alice is buying a hammer for $20 and a box of nails for $4. she has a coupon for 10% off. after the discount is applied, the sales tax on the purchase amount is 5%. what is the total alice must pay?

The measure of an angle and its supplement differ by 39 degrees. what is the measure of each angle?

How to solve for y 6x+3y=9 and 3x+2y=9

A newspaper reporter wants to know how popular the hobby of bird watching is in the city. He asked people at the local bird refuge if they watched birds as a hobby. Which of the following best explains whether the reporters data is valid or not?

I am very confused on how to figure out if y = 3/4x is proportional?

Alison wants to buy a mountain bike for $339.12. If she saves $28.26 each month, in how many months will she be able to buy the bike?

At 12 o'clock the temperature was 7°C. The temperature decreased by - 20°C. What is the new temperature?

Ashleys rentals charges $27.50 per hour to rent a surfboard and a wetsuit. Darlas surf shop charges $23.25 per hour to rent a surfboard plus $17 extra for a wetsuit.