this shows fees (f) for an aerobics for different numbers of months which equation models the relationship

What is the product? (x2+3y+7) [yy+1)

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

Ineed with angles and the measure of them i have abc a is 65 and b is (3x-10) and c is (2x) find the value of x