1. Name the remainder for the quotient and describe or show how you found the remainder. (x^3-x^2-17x-15) / (x-5)

Can we conclude that x-5 is a factor of the polynomial (x^3-x^2-17x-15)?
How do you know?

Can someone me with my hwplz(only the circled ones)

Danielle earns a 7.25% commission on everything she sells at the electronics store where she works. she also earns a base salary of $750 per week. what were her sales last week if her total earnings for the week were $1,076.25?

Given a: b and b: c, find a: b: c. write the ratio in simplest form. a: b=6: 10 and b: c=21: 33