Which formula would be used to find the measure of
angle 1?
1/2 (a° + b°)
1/2 (a° - c°)
1/2 (b° + c°)
1/2 (a° - b°)

Jalen charges $25.50 for every 3 hours of yard work he does for his neighbors. ralph charges $34 for every 4 hours of work that he does. who charges less? opinions: 1.they charge the same amount 2.jalen 3.ralph