Answer:

Step-by-step explanation:
1/2+1/3 L.C.M = 6

answer: positive
for example: -2 x -2 x -2 x-2
=4 x -2 x -2
=-8 x -2
=positive 16
Please clarify, is it f(x)=2 to solve it?
Answer:
15 feet
Step-by-step explanation:
525 = ½(30+40)h
525 = 35h
h = 525/35
h = 15 feet