Pls asap
To get to her parents' house, Valentina would have to drive due north 2 miles. To get to her grandparents' house, she would have to drive due east 5 miles. What is the straight-line distance between the parents' and grandparents' houses? If necessary, round to the nearest tenth.

What is the length of the unknown leg in the right triangle ?

Determine if the equation defines y as a function of x: 2xy = 1. yes o no

This is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 5 terms.