Albert is organizing an end of term party. the cost of renting a hall for an evening is $100. the cost of food is $8 per person. how much will the party cost if 20 people attend? 50 people attend? write an algebraic expression for the cost of the party if n people attend. suppose albert decides to hire a dj for the party. the dj charges $250 for the evening. what is the new cost of the party when n people attend? suppose the cost of food increases by $2 per person. write an expression for the total cost of the party with a dj for n people. the new food price is in effect. how much will the party with a dj cost for 40 people? show your work.

option c) graph of line going through 1, 4 and 3, 10

step-by-step explanation:

let y equal to margo's coin collection

let x equal to number of years

at the begining x=0, y=1 → point=(x,y)→point=(0,1)

she adds 3 coins per year, then y=1+3x

at x=1, y=1+3(1)=1+3→y=4→point=(x,y)→point=(1,4)

at x=3, y=1+3(3)=1+9→y=10→point=(x,y)→point=(3,10)

the graph of line going through (1, 4) and (3, 10), then the option c is the correct.

answer: the distance

step-by-step explanation:

to calculate the distance d of a line segment with endpoints (x1, y1) and (x2, y2) use the formula d (x2 x1)2 (y2 y1)2. to calculate the midpoint of a line segment with endpoints (x1, y1) and (x2, y2) use the formula