Answer:
1.2
Step-by-step explanation:
all of mr harleys class equals 400 and Ms. samuets has 393
to find the mean you add all then divide by how much you added
to 400 divided by 6 is 66.66 and 393 divided by 6 is 65.5
and 66.66
-65.50
1.16 and 1.16 rounded to the nearest tenth is 1.2
CASE CLOSED
45 degrees
the right angle is 90 degrees and one angle is 45 degrees and 90+45=135 and 180-135=45 so 45 degrees is the missing angle
-8x
Subtract 6°x from -2x.
8