Tyler is mowing sand from his driveway to the backyard. the wheelbarrow weighs 30 kilograms when it is full of sand. when it is empty, it weighs 12 kilograms. how many kilograms of sand did tyler move if he filled and emptied the wheelbarrow five times?

Question 1(multiple choice worth 1 points)(07.06 mc)a group of students must collect at least $150 to organize a science fair. they have already collected $30. which graph best represents all remaining amounts of money, in dollars, that thestudents should still collect to organize the science fair? -210 -180 -150 - 120 -90-60 -300306090 120 150 180 210-210 -180 -150 - 120 -90 -60 -30 0 30 60 90 120 150 180 210-210 -180-150 - 120 -90-60-300 30 60 90 120 150 180 210-210 -180 -150 - 120.90 -60 -30 0 30 60 90 120 150 180 210

Use composition to determine if (x) or h(x) is the inverse of f(x) for the limited domain x2-1.

Reagan lives five miles farther from school than vanessa lives. write an expression to describe how far reagan lives from school