What is the approximate value of theta , if tan theta = 7/ 9?

For the chance to be team captain, the numbers 1-30 are put in a hat and you get two chances to pick a number, without replacement. which formula correctly shows how to find the probability that you choose the number 1 and then 2?

Is a triangle with angle measures 46 degree,35 degree and 100 degree possible

What is the recursive formula for this sequence . 10,14,18,22,26