Someone please help me

Which shows the correct substitution of the values a,b and c from the equation 1=-2x+3x^2+1

Write the pair of fractions as a pair of fractions with a common denominator

Sherrie is baking a pie for her family. she leaves the room and comes back to 35% of the pie having been eaten before she can put the topping on. how much 1 square inch strips of dough will she need for the top, now that a portion is missing? round your answer to the nearest while nimber.