Write and solve the equation to find the missing length (l). Show all your work. the volume is 72 inches cubed. we have 2 inches for height and 6 inches width. find the missing length (l).

Find the sum of the following series. round to the nearest hundredth if necessary.

For f(x)=2x+1 and g(x)= x^2 -7, find (f•g)(x)

Answer soon(fast) 15 pts-brainliest? for right answer with small explination a restaurant catered a party for 40 people. a child’s dinner (c) cost $11 and an adult’s dinner (a) cost $20. the total cost of the dinner was $728. how many children and adults were at the party? use the table to guess and check.(i couldn't get the graph onto the question)                                8 children and 32 adults9 children and 31 adults10 children and 30 adults12 children and 28 adults