The answer is 23.5
4 *2 + 5* 3.1
4*2=8
5*3.1=15.5
8+15.5= 23.5
Answer:
A = 146.624 cm
Step-by-step explanation:
Variable a, is one base and variable b is the other base. Variable h is the hight of the trapezoid.
Step-by-step explanation:

Answer:
200 cans.
Step-by-step explanation:
f(c)=10r + 120
Put t=8 into it
T(c) = 10 x 8 + 120
=200 cans
(Use substitution method)