PLEASE HELP ASAP

Which graph shows a proportional relationship between x and y?

Adeli charges the same price, $5.50, for all of its different sandwiches. if a company ordered n sandwiches for a luncheon, which equation could be used to find the total price, p, that the deli charged for the sandwiches? a- n/5.50=p b-5.50n=p c-5.50/n=p d-5.50+n=p

Find the value of tan theta if sin theta = 12/13 and theta is in quadrant 2

Given f(x)= 9x+1 and g(x)=x^3, choose the expression (f*g)(x)