Help!?:(
solve x in the triangle

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

An investment decreases in value by 30% in the first year and decreases by 40% in the second year. what is the percent decrease in percentage in the investment after two years

Find the area of the triangle formed by the origin and the points of intersection of parabolas y=−3x^2+20 and y=x^2−16.