The radius of a curcle is 7 meters. what is the circles area? use 3.14 for pi

Asap the total attendance for all of a baseball league in 2012 was about 7.5×107 fans, while the attendance for the tornadoes in 2012 was about 1.5×106 fans. about how many times more was the attendance for the entire baseball league than the attendance for just the tornadoes? 50 times more 10 times more 2 times more 5 times more

Factor the expression using gcf 9b+45

What is perpendicular to y=-1/2x+11