Given that ∠XQR = 180° and ∠LQM = 180°, which equation could be used to solve problems involving the relationships between ∠XQM and ∠RQM?
A) 180 + (140 − 7a) = (70 − 3a)
B) 180 + (70 − 3a) = (140 − 7a)
C) 180 − (140 − 7a) = (70 − 3a)
D) (140 − 7a) − (70 − 3a) = 180

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

The ratios of boys to girls on a soccer league is 2: 5. if there are 28 boys, how many girls are playing soccer? extra points! will mark as brainiest asap

Solve the equation. 2x - 8(x+1)= 6(2x - 3)