Identify the equivalent expression x+3 square rooted

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

Atriangle has a side lengths of 18cm, 80 cm and 81cm. classify it as acute obtuse or right?

Write the equation in logarithmic form m^x=n