If you drive at 50 miles per hour for 5 hours, how far will you have traveled?a. 200 milesb. 10 milesc. 250 milesd. 300 miles.

think its the third option

adding a(n) to an electric circuit would increase the magnetic field around a wire;

b. solenoid

a solenoid is a type of electromagnet whose purpose is to generate a controlled magnetic field.

if the purpose of the solenoid is instead to impede changes in the electric current, a solenoid can be more specifically classified as an inductor rather than an electromagnet.

a straight line sloped

v=ir = 3x15 =45 v