Which statement best classifies air?* 1 point
O Air is a pure substance because it is composed of pure substances.
O Air is a pure substance because its properties rarely change.
OAir is a mixture because it has the same properties at all times.
O Air is a mixture because its composition varies.

well there are two answers for that.

1: you need 120 ones then that will equal up to 120.

2: you could also do one 100 and 2 tens.

those are the answers that i have thought of.

the answer is d

the answer is in the first quadrant, which make the y-int positive.

since the dots are going down, therefore the correlation is negative

i hope it is right.

the first one, all those points on the line just make a strait line.

this is answer of 144 cubic meters