Which method will solve this equation completely? 5 – 8d = 16

A+b= 17, ab=70, find the value of |a-b|

Right triangle abc has three sides with lengths ab= 119, bc = 169, ca= 120. find the value of cos c. hint: draw and label the triangle. the hypotenuse is always the longest.

Orla and eduardo each looked at a strand of their hair under a microscope and measured the diameter. orla's strand was 0.005\,\text{cm}0.005cm in diameter, and eduardo's strand was 0.012\,\text{cm}0.012cm in diameter.