Shauna solved the polynomial equations given in the table. Determine whether each polynomial is correct. Select Correct or Incorrect for each equation. (5a−8)+(2a2+2a−1)=2a2+7a−9

(b2+6b−4)−(3b+b2)=2b2+3b−4

(9c−4c2)−(2c2+c)=−6c2+10c

Adaylily farm sells a portion of their daylilies and allows a portion to grow and divide. the recursive formula an=1.5(an-1)-100 represents the number of daylilies, a, after n years. after the fifth year, the farmers estimate they have 2225 daylilies. how many daylilies were on the farm after the first year?

The measure of one angle of an octagon is two times smaller that of the other seven angles. what is the measure of each angle?

Solve the equation by completing the square. x^2+2x=17