Good afternoon please help! Geometry! Thank You!! Brainliest!

How many solutions does the nonlinear system of equations graphed bellow have?

Renee hiked for 6 3/4 miles. after resting, renee hiked back along the same route for 5 1/4 miles. how many more miles does renee need to hike to return to the place where she started? represent your answer as a simplified mixed number, if necessary.

0.75,1.75,2.75,3.75 is arithmetic or geometric?