Which ordered pair would form a proportional relationship with the point graphed below? ТУ
40
30
20
10
80-60-40-290
20 40 60 80 x
--20
(60.-20)
30
40
O (-10, 30)
0 (30, -15)
O (-30, 10)
O (
(80, -30)

Find the equation of the trend line (line of best fit). show your work i'm using the points (34,76) (42,91)

Marco is studying a type of mold that grows at a fast rate. he created the function f(x) = 345(1.30)x to model the number of mold spores per week. what does the 1.30 represent? how many mold spores are there after 4 weeks? round your answer to the nearest whole number. 1.30 represents the number of mold spores marco had at the beginning of the study; 985 mold spores 1.30 represents the number of mold spores grown in a given week; 448 mold spores 1.30 represents the 30% rate of weekly growth; 345 mold spores 1.30 represents the 30% rate of weekly growth; 985 mold spores

Tom wants to order tickets online so that he and three of his friends can go to a water park the cost of the tickets is 16.00 per person there is also a 2.50 one-time service fee for ordering tickets online write an expression in term of n that represents the cost for n ordering tickets online