The amount of water left in a 30 liter tank can be modeled by the equation w=-1/2t+30, where w is the amount of water left in the tank and t is time
in hours since the water started leaking. Water leaks from the tank until the
tank is empty. Determine the domain and range of this scenario.

Can someone me do math because i am having a breakdown rn because i don’t get it

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?

4+(2+x) can you me solve this problem