Plz help I need to understand and I don’t

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 greatest common factor of the followig monomials 21u^5v,3u^4v^6, and 3u^2v^5

Simplify. (-2)^-3 a. -8 b. -1/8 c. 1/8 d. 8