Answer:
72
Step-by-step explanation:
-5
4x -2 = 8 + 6x
-2x = 10
x = -5
270-200 = 70
70/200 = 0.35 = 3.5%
40×4×4=640
b=20 h=4
using formula:
1/2×base×height
1/2×20×4=40
its says scale by factor 4:
b=80 h=16
1/2×80×16=640
answer------>>>>640cm^2
4
