Answer:
18
Step-by-step explanation:
base= 6 units
height=6 units
The formula for solving a triangle's area is 1/2bh
6x6=36
36 divided by 2 is 18
B the service fee for coming to look at the machine
175
35 * 5 = 175
the answer is 6a^2- 3ax+ 3a
