Leo's math teacher wrote a numerical expression on the board. She omitted the brackets and parentheses. Rewrite the expression 23+2×7+9 with parentheses so that it is equivalent to 79. Plzzz help m I need help I will give a brainliest

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

If a || b and b | y, then ? a) x || y. b) x | a. c) a | y. d) a || y.

Is the figure congruent? yes or no?