What is the lcd for 11/21 and 31/45
?

Logan wants to know how many skateboards have defective parts. he inspects 20,000 skateboards and keeps track of the number of defects per board. use his probability distribution table to find the expected value for defects on a skateboard.

Which of the binomials below is a factor of this exression? 16x^2+40xy+25y^2 a.4x-5y b. 2x-5y c.4x+5y d.2x+5y

Write 5(6x+4)-2(5x-2) in the form a(bx+c) where a, b and c integers and a> 1