Which are measurements of the sides of a right triangle a)202,198,40 b)28,26,12 c)17,14,6 d)all of the above

Hell . what are the solutions to `10x^2 - 38x - 8 = 0`? is this when i find the factors and use the numbers within the factors to determine the zeros? i hope that made sense lol

The graph and table shows the relationship between y, the number of words jean has typed for her essay and x, the number of minutes she has been typing on the computer. according to the line of best fit, about how many words will jean have typed when she completes 60 minutes of typing? 2,500 2,750 3,000 3,250

Y+ 2/y is it a polynomial in one variable or not? and if so, why?