Write a polynomial with roots r1 and r2 if

1. R1 + r2=4

2. R1 x r2=4

Aflower has 26 chromosomes. to create a new flower, how many would a sperm cell have what is called?

Write the factored form of this trinomial 9x^2+18x-7

Andy wants to find the distance d across a river. he located points as shown in the figure, then use similar triangles to find that d = 223.5 feet. how can you tell without calculating that he must be wrong? tell what you think he did wrong and correct his error. round your answer to the nearest tenth if necessary. andy must have used the wrong . the distance d is actually feet.