Austin finished his chemistry assignment in doing these two assignments? -
hours. Then he completed his English assighment in hours. What was the total amount of time Austin spent doing these two assignments?
Write your answer as a fraction in simplest form.
PLS I REALLY NEED HELP

At $1.32 million, they closed last month percent above what they paid in 2007." how much did they pay in 2007?

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?

If w = 6 units, x = 3 units, and y = 5 units, what is the surface area of the figure? 168 units2 240 units2 144 units2 96 units2