Answer:
Step-by-step explanation:
-x-2y+4z=-14
x=-2y+4z+14
2x+2y+2z=-6
2x=-2y-2z-6
x= -y-z-3
-x-6z=-3
x=3-6z
Answer:
120
Step-by-step explanation:
2 of every 5 trees are pine trees.
2/5 · 300 = 120
120 pine trees are going to be planted in the park.
5 out of 25
pick the chance over
add all possibilities
Answer:
-243, 729
Step-by-step explanation:
pattern is to multiply by -3 to get next number
3) 18v2−15v−18
=3(6v2−5v−6)
=3(2v−3)(3v+2)
