Please help me. i’ve been stuck on this test for 3 days and i need to get at least a 70% to pass

You eat 8 strawberries and your friend eats 12 strawberries from a bowl. there are 20 strawberries left. which equation and solution give the original number of strawberries?

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

During the election for class president, 40% of the students voted for kellen, and 60% of the students voted for robbie. 500 students voted in total. how many more students voted for robbie than for kellen? answer with work : )