Which of the following is a polynomial?
A.(x^6-4)/(x^-5+1)
B. x^4-2
C.1/x+2
D. x^-2-1

Sunday: 1 1 2 monday: 1 tuesday: 2 1 2 wednesday: 1 3 4 thursday: 2 friday: 1 1 2 saturday: 2 jenna is a swimmer and trains every day. the schedule shown outlines the number of hours she trains each day. what is the total number of hours that jenna trains during the week?

Could someone with number 1 and 2

Write the expression 7x^3-28xy^2 as the product of 3 factors