What type of number does the negative number create

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

16 more than the product of 5 and p

The square root of 9x plus 7 plus the square rot of 2x equall to 7