An electromagnet converts electrical energy into what type of energy?

Can somebody 1. what is the formula for finding the vertical distance between two points on a coordinate plane?

Seattle, washington is known for being rainy. one day last month, 8 inches of rain fell in 1 1/2 hours. what us the rate of the rainfall expressed in ft per plzzz write a proportion i will give you 100 points

Given the expression (7 ? 4i) ? (2 + 6i), perform the indicated operation and write the answer in the form a + bi.