Find the surface area of the pipe if the diameter of the outer pipe is 12 cm, the diameter of the hole is 11 cm and the height is 30 cm. Answer needs to be in EXACT form (in terms or pi and/or in simplified radical form).​

Given the points a(-2, 1) and b(8, 6), find the coordinates of the point c on directed line segment ab, that partitions ab in the ration 2: 3.

Perry observes the opposite parallel walls of a room in how many lines do the plains containing the walls intersect

The table below shows the number of free throw shots attempted and the number of shots made for the five starting players on the basketball team during practice. each player's goal is to make 80% of her shots. players number of free throws made free throw attempts kelly 16 20 sarah 25 30 maggie 31 40 liz 44 50 kim 47 60 how many players made at least 80% of their shots? round to the nearest percent.