How would I write The sum of three and the square root of a number as a numerical expression? Also, how would I write four times a quantity plus five as a numerical expression?

Which is a true statement about an exterior angle of a triangle a. it is formed by two segments that are not sides of the triangle, b. it forms a linear pair with one of the interior angles of the triangle, c. it is complementary to one of the interior angles of the triangle. d. it is formed by two segments that are sides of the triangle.

This summer the number of tourists in salem increased 4.5% from last years total of 426000. how many more tourists came to salem this summer

Given sin28.4=.4756, cos28.4=.8796, and tan28.4=.5407 find the cot of 61.6