Classify the triangle based on side lengths 2, 10 and 11

What is the solution of sqrt x+2-15=-3

The following frequency table relates the weekly sales of bicycles at a given store over a 42-week period.value01234567frequency367108521(a) in how many weeks were at least 2 bikes sold? (b) in how many weeks were at least 5 bikes sold? (c) in how many weeks were an even number of bikes sold?

Find the domain of the following expression: 1/(√x)-2