Ellis is painting the wooden fence-posts in his yard. they are each 7 feet tall and have a diameter of 1 foot. there are 11 fence-posts in all. how much paint will ellis need to pain all the surfaces of the 11 fence-posts? use 3.14 for pi, and round your answer to the nearest hundredth.

Don't know how to find x given these segment lengths

Apsychology student wishes to investigate differences in political opinions between business majors and political science majors at her college. she randomly selects 100 students from the 260 business majors and 100 students from the 180 political science majors. does this sampling plan result in a simple random sample? why or why not? no, because each group of 200 students in the sample does not have the same chance of being selected. yes, because each group of 200 students in the sample has the same chance of being selected. no, because each individual student does not have an equal chance of being selected. yes, because each individual student has the same chance of being selected.

This graph shows which inequality? a ≤ –3 a > –3 a ≥ –3 a < –3