Hi, I just need help finding the x-intercept of this polynomial function. It’d also be helpful if someone could put steps on how they got it!

f(x) = x^4 - 5x^2 + 4

Iwill give ! if m∠a=59 and m∠3=81°, what is m∠b? m∠b= _[blank]_°

Complete each sentence with the correct form of the verb ser or estar to say where the following people are from or where they are right now claudia y maria en méxico

If the tip varies directly with the number of guest which equation represents between the tip,t, and the number of guest,g?