Look at the cylinder.

What is the total surface area?

Is δ pmr similar to δ smn ? if so, which postulate or theorem proves these two triangles are similar?

Find the value of the variable and the length of each secant segment.

Reduce fractions expressing probability to lowest terms. in 3,000 repetitions of an experiment, a random event occurred in 500 cases. the expected probability of this event is?