Stadium floor that is in the shape of a circle has a diameter with length of 210 yards. which of these measurements is closest to the area

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

Evaluate the expression for the given value of the variable 7a - 4a for a =8

What are the solutions of the system? solve by graphing. y = -x^2 - 3x + 2 y = -2x + 2