Answer:
the answer is A. that's my final ans
Answer:
8 pounds
Step-by-step explanation:
3 ft board = 2lb
12 ft board is 4 times more so
2x4 = 8 lb
Answer:x^3+y^3+x^2 y+y^2 x-xy
Step-by-step explanation:
X+y(x^2 +y^2)- X y
Expand the bracket
X^3 +xy^2 +yx^2 -xy
1;240 2;120 3;80 4;60 5;48 6;40 8;30 10;24 12;20 15;16