How are a common denominator and a common multiple alike and different

common denominator are different from common multiple because the denominator is the bottom number when u multiply or divide a fraction u find a common number out of the 2 bottom ones

common multiple and common denominator are alike because they both are numbers in common with the number u are working with.

I hope it helps  

so far i think you have the right thing going for you just remember soh cah toh

step-by-step explanation:

sine over hypotenuse

cosine   equals adjacent

tangent over hypotenuse

answer:   x = 3 + √11     and     x = 3 - √11

step-by-step explanation:

x² - 6x + 9 = 11

(x - 3)² = 11

x - 3 = ±√11

    x = 3 ± √11

x = 3 + √11     and     x = 3 - √11