Determine the length of c in triangle shown please help

Solve the equation using the given values: x= -2.5; y= -7.51. 2xy + 2x²

Rick is driving to his uncles house in greenville, which is 120 miles from ricks town .after covering x miles rick she's a sign stating that greensville is 20 miles away. which equation when solved will give the value of x. a: x+120 = 20 b: x x120 =20 c: x +20 equals 120 d: x x20= 120

Tom drove 206 miles in 3.9 hours. estimate his average speed.