If cos theta=-2/3, which of the following are possible?

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 constant of variation for the relation and use it to write an equation for the statement. then solve the equation.

Which is f(5) for the function –2x2 + 2x - 3?