Please solve this to me I will give you brainest and hundred points

Matilda and kathryn went on different road trips over spring break. the equation below represents the number of miles matilda drove in x hours. y = 60xthe table below shows the number of miles kathryn drove in x hours. time(in hours)distance(in miles)114228342456who drove at a greater speed? a. matilda drove at a greater speed. b. matilda and kathryn drove at the same speed. c. kathryn drove at a greater speed. d.there is not enough information to determine their speeds

Find the cosine function that is represented in the graph.

Abacteria population is tripling every hour. by what factor does the population change in 1/2 hour? select all that apply