Find the slope of the line passing through the points (-9, 4) and (-9, -9)

The sum of two numbers is 86, and their difference is 20. find the two numbers

Is this a polynomial function? i need to know asap

Which of the following could be the ratio of the length of the longer leg 30-60-90 triangle to the length of its hypotenuse? check all that apply. a. 313 6 b. 3: 215 c. 18: 13 d. 1: 13 e. 13: 2 of. 3: 15