A mechanic earned $983.88 for 42.5 hours of work . Which is the best estimate of how much the mechanic earned per hour

On a string instrument, the length of a string varies inversely as the frequency of its vibrations. an 11-inch string has a frequency of 400 cylces per second. find the frequency of a 10-icnch string.

If chord ab is congruent to chord cd, then what must be true about ef and eg?

Astudent has created the give circuit diagram. it consists of a battery, a resistor, and a light bulb. in one minute, 1.2c of charge flows through the resistor. how much charge flows through the light bulb in one minute?