An electrician charges $30 for a house visit and $55 for each hour of work. if mrs. firewalls was charged $222.50 for work, which can be used to find the number of hours that the electrician worked?

Apiling for a high-rise building is pushed by two bulldozers at exactly the same time. one bulldozer exerts a force of 1250 pounds in a westerly direction. the other bulldozer pushes the piling with a force of 2650 pounds in a northerly direction. what is the direction of the resulting force upon the piling, to the nearest degree? a. 65 n of w b. 25 n of w c. 45 n of w d. 35 n of w