Surface area of cylinders? plz !
a cylindrical vase has height 16 in. and radius 2 in. find the exact surface area of the vase in terms of π. suppose a second vase has double the radius, but the same surface area. what is the height of this vase?

Write the fraction 9/50 as a decimal if needed round to the nearest hundredth

Write an equation of the line that passes through the point (2, 3) and is perpendicular to the line x = -1. a) y = 1 b) y = 3 c) y = 0 eliminate d) y = -3

Astudent found the solution below for the given inequality. |x-9|< -4 x-9> 4 and x-9< -4 x> 13 and x< 5 which of the following explains whether the student is correct? -the student is completely correct because the student correctly wrote and solved the compound inequality. -the student is partially correct because only one part of the compound inequality is written correctly. -the student is partially correct because the student should have written the statements using “or” instead of “and.” -the student is completely incorrect because there is no solution to this inequality.