3. The electric current, C, in amperes, in a circuit varies directly as the voltage, V. When 12 volts are applied, the current is 4 amperes. What is the voltage with the current is 6 amperes?
A 20 volts
B. 18 volts
C.16 volts
D. 8 volts

Can someone with this one pre-calc question? the finishing time for a runner completing the 200-meter dash is affected by the tail-wind speed, s. the change, t, in a runner's performance is modeled by the function shown below: t= 0.0119s^2 - 0.308s - 0.0003 predict the change in a runner's finishing time with a wind speed of 3 meters/second. note: a negative answer means the runner finishes with a lower time. round to the nearest hundredth.

What is the average diastolic blood pressure for adults

Write an equation of the line that passes through the point (2, 3) and is perpendicular to the line x = -1. a) y = 1 b) y = 3 c) y = 0 eliminate d) y = -3