When three pipes fill a pool, they can finish in 12 hours. Two of the pipes can finish in 18 hours if they are working together. How long would it take a third pipe to fill the pool on its own?

Draw two possible rectangles for each perimeter of 20 units

A car is purchased for 16,000. Each year it loses 20% of its value. After how many years will the car be worth 4,400 or less?

What is the length of the diagonal of a box with dimensions of 4x12x3

Two scientists are measuring lava temperatures. One scientist records a temperature of 1725°F. The other scientist records a temperature of 950°C. Which is the greater temperature? (Use C = 5 - 9 (F - 32).)

Tom sells cellphones for $45 a phone. Sam sells tablets for $149 a tablet but he is not making any profit yet because he still needs to pay off his order of $4992. when will the two guys make the same money? How much money will they both have?

Which statement or statements are true about adding integers? Group of answer choices If the signs are the same, add the numbers if the signs are the same subtract the numbers if the signs are different, add the numbers if the signs are different,

How much is $3,204 plus $79,402?

Mario has b books. After receiving 5 new books for his birthday, he had 18 books

Danny's 7 friends contributed an equal amount of money to buy him a birthday present. The present cost $84. How much money did each friend contribute?

How much will a saver earn in 10 years on a $100 deposit that earns 5% compound interest (compound annually) ?