Im getting confused with this easy problem.. shelly ate 4.2 ounces of trail mix. marshall ate 4.25 ounces of trail mix. how much did marshall eat? do u think its subtraction or addition?

The perimeter of a stage is 116 feet. it is 17 feet wide. how long is it?

Select 2 statements that are true about the equation y+6=-10(x-3).1) the slope of the line is -102) the slope of the line is 33) one point on the line is (3,6)4) one point on the line is (3,-6)

Pls never taught i’m really confused and i rlly need