What is the degree of this polynomial?
5y^2+y+1

The parabola x = y² - 9 opens: a.)up b.)down c.) right d.)left

Can someone factor this fully? my friend and i have two different answers and i would like to know if either of them is right. you in advance. a^2 - b^2 + 25 + 10a

What percent of 18 is 24? and plz explain thx.