Which ratios form a proportion? A. start fraction 3 over 15 end fraction, start fraction 12 over 55 end fraction B. start fraction 8 over 24 end fraction, start fraction 12 over 35 end fraction C. Start Fraction 5 over 18 End Fraction, start fraction 25 over 90 end fraction D. Start Fraction 4 over 11 End Fraction, start fraction 16 over 25 end fraction

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

Aphrase is shown read the phrase and give me the answer

Write as a product: ac^2–ad+c^3–cd–bc^2+bd