the numbers 1 to 50 or marked on seperate pieces of paper and placed in a hat. determine the probability that the number on randomly chosen piece of paper is closer to 40 that it is to 15

Fiona races bmx around a circular dirt course. if the radius of the course is 70 meters, what is the total distance fiona covers in two laps of the race? a. about 30,772 meters b. about 15,386 meters c. about 879.2 meters d. about 439.6 meters e. about 219.8 meters23 points hurry

How do i do this activity, is appreciated

What happens to the area as the sliders are adjusted? what do you think the formula for the area of a triangle is divided by 2?