A circular pipe is 50 cm long. Its internal and external diameters are 10cm and 8cm respectively.
Calculate the total volume of plastic used to make the pipe in cm3
Type each step of your working on a separate line

Use set builder notation to represent the following set: { -3, -2, -1, 0}

41/17 as a decimal rounded to the nearest hundredth

Michelle and julie work at a catering company. they need to bake 264 cookies for a birthday party that starts in a little over an hour and a half. each tube of cookie dough claims to make 36 cookies, but michelle eats about 1/5 of every tube and julie makes cookies that are 1.5 times as large as the recommended cookie size.it takes about 8 minutes to bake a container of cookies, but since julie's cookies are larger, they take 12 minutes to bake. a. how many tubes should each girl plan to bake? how long does each girl use the oven? b. explain your solution process what did you make? c. what assumptions did you make?