How much trail mix will each person get if 5 people share 1/2 pound of trail mix ?

What are the sotions to the quadratic equation 9x^2=4

Jonathan can type 20 documents in 40 minutes ,and susan can type it in 30 minutes and jack can type it in 24 minutes working together ,how much time will it is take them type the same document

Factor the polynomial. b^2 + 4b + 4