I need help ASAP it’s classwork

Perform the required operations on the following functions given: f(x)= 3-x; g(x)= -2x find g[f(x)]

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

The ratio of two numbers is 5 to 4. the sum of the numbers is 99. what number is the greater of the two numbers?