Three resistors are connected in series, A of 100Ω, B of 500Ω, and C of unknown value. The combination is connected across a 140 V supply, and the voltage across resistor A is 10 V. Calculate (a) the voltage across resistors B and C, (b) the value of resistor C, and (c) total power.

(! ) three cylinders have a height of 8 cm. cylinder 1 has a radius of 1 cm. cylinder 2 has a radius of 2 cm. cylinder 3 has a radius of 3 cm. find the volume of each cylinder

Complete the equation of the line through (−10,3) and (−8,−8). use exact numbers.

Expresa commuter train leaves downtown sation and travels at a average speed of 55 miles per hour towards the north side sation, which is 50miles away. thirty minutes later, express commuter train #7 leaves north side and travels at a average speed of 35miles per hour towards downtown sation. at the moment the two trains pass each other, how far(in miles) is train #12 from the downtown sation and how long(in minutes) has the #12 train been traveling