You need to 8 + 4 = 12 and take the half of 12 and start at -4 and count up 6
Answer:
17 cubes
21 cubes
25 cubes
Step-by-step explanation:
Answer:
1) (-42,0)
2) 2x-y=4
3) y-2x=-3
Step-by-step explanation:
y=mx+b
y=3/7x+18
-18=3/7x
x=-42
(It may be wrong because I am sort of rusty on this stuff)