Answer:
well your asking a question that needs a graph
Step-by-step explanation:
Answer:
(a) 480 + 1640
Step-by-step explanation:
I don't really know what (b) is
but hope this helped
Sorry I don't know that question.
Im not an expert or anything, but i think for the innequality, i would say

as far as the amount of people she can invite, do 500-100=400 because of the setup fee, then, to find how many people she can invite. 400÷6.50 which leaves you with the highest amount of people she can invite without going over budget, as 61.
You can first put into y=mx+b form so for the first one it would be y=-1/2x+3 3=y-intercept or where it'll touch the y-axis and -1/2 is the slope you can use the same approach for the next equation