Answer:
2x^2 +3x -2
18
12
-22
-46
Step-by-step explanation:
X=15
EXPLANATION:
5x+4+5x+11+x=180
11x+15=180
-15 -15
11x=165
— ——
11 11
x=15
Common ratio, r = (3/2)/(3/20) = 10.
3/20, 3/2, 15,
4th term = 15*10 = 150
5th term = 150*10 = 1500
5th term = 1500
K= 2
The square is doubled so the scale factor (k) is 2
