The reciprocal of 4/9

65 in to the ratio 11:2

Simplify 4 (4n+1) - 15n

Paleontologist have put together bones to make a T-Rex skull that has a mass of 600 pounds. They just found a new tooth fossil to add to the skull that has a mass of 40 ounces. How many pounds is the T-Rex skull with the new tooth?

Solve 3x + 70 - 7x is greater than or equal to 18

You and your friend are selling tickets to a charity event. you sell 12 adult tickets and 6 student tickets for $138. your friend sells 5 adult tickets and 11 student tickets for $100. what is the cost of a student ticket

What is the product of 4xy and y^2+2x

Joan's washing machine tub is a cylinder with a height of 17 in. and a diameter of 22 in. Her washer was half full of water when it stopped working. The repair person's pump removed 46.2 in3 of water every second.

A small tree was planted at a height of 7 feet. The tree has been planted for 14 months, and is now 56 feet tall. Which equation could be used to find x, the average number of feet the tree grew each month? A. 7x + 14 = 56 B. 14x + 7 = 56 C.

A bag has 7 books in it 4 math 3 english mom took 2 english books what is the fraction of english books that was removed

Xian and his cousin Kai both collect stamps. Xian has 60 stamps, and Kai has 76 stamps. The boys recently joined different stamp-collecting clubs. Xian's club will send him 12 new stamps per month. Kai's club will send him 8 new stamps per month.