You estimate that the length of a board is 24 feet. the actual length of the board is 22 feet. find the percent area

Given a circle with measures of (c, d, and r) and a circle with measures of (c', d', and r'), what is d if c c' = 12 and d' = 0.50? a) 3 b) 6 c) 12 d) 24

In the 30-60-90 triangle below side s has a length of and side r has a length

Express in the simplest form: (x^2+9x+14/x^2-49) / (3x+6/x^2+x-56)