A student has gotten the following grades on his tests. what is the minimum grade he must get on the last test in order to have an average of 83? Grades: 89, 80, 87, 72

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

Cd is the perpendicular bisector of both xy and st, and cy=20. find xy.

3c2 + 2d)(–5c2 + d) select all of the partial products for the multiplication problem above.