How to find the slope of (20/8) and (9,16)?

What is the order of operations for 2 + (3 - 9) ÷ -3 · 4 in number order 1. subtraction 2. division 3. addition 4. multiplication

Peter measures the angles in a triangle. he finds that the angles are 95, 10 and 75. is he correct? explain your answer

In a right triangle δabc, the length of leg ac = 5 ft and the hypotenuse ab = 13 ft. find: b the length of the angle bisector of angle ∠a.