The lines intersect at (-1.8,-4.4)
Formula is 2(wl+hl+hw)
2[(7x20)+(15x20)+(15x7)]
=1090 cm^2
Answer:
add the 2 equations together
Step-by-step explanation:
i was in class when I heard this so it should be correct
(4-3n-5n2)
+( -2+n-3n2)
____________________
-2-2n-8n2
