15,60, 240, fine the 6th term

120/240 = 1/2

60/120 = 1/2

Looks like a geometric series with a factor of 1/2.

240, 120, 60, 30, 15, 15/2

hope this help u out ..

4 and 5)16.97 or 12√2

6)15.59 or 9√3

7)y = 15.59 or 9√3     x =27

8)17.80

1. sometimes

2. never true

3. sometimes

step-by-step explanation:

these are pretty self explanatory if you know what supp right and com angles are