43n^2-54. then do the exponent part your self! :)
Answer:
2x + 3y=-10 is incorrect (I think)
When you mulitply something with no negative you get something with no negative
Hope this helps :)
I AM HERE TO HELP >:D
Answer:
tree sampling: 2 1/4ft
through 1 year grown: 1 1/6ft
after two years growing: 5ft
1 1/6 coverted into a decimal is 0.16
0.16 x 32 = 5.12 (5)
not sure if this is right, but hope it helps
Y = 3
Just simplify the both sides, then add 7y to both then add 8 to both sides and divide both sides by 15
