9. Consider the collection of terms shown below. Sort them into like terms. Justify your reasoning for sorting
-2xy?
3x²y у
4xy?
–8x²y
2x²y²
–7x²yz
- 1x2y
7x2y2
I
–5xy²z
0.3xy
- 5 xy2

If a(0,0,0) and b(2,2,2) are points in coordinate space, how many paths are there from a to b that move from one lattice point to another in the positive x-,y- or z- direction?

Phillip had some bricks. he stacked them in 6 equal piles. which expression shows the number of bricks phillip put in each pile? let the variable m stand for the unknown number of bricks. m + 6 m÷6    m−6    6m

1.two more than the quotient of a number and 6 is equal to 7 use the c for the unknown number translate the sentence into an equation