The area of a triangle is always one half the base b times the height h. If the base is represented by the expression 4x + 2 and the height is represented by 3x, which expression gives the area of the triangle?

9x
9x2
12x2 + 6x
6x2+ 3x

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.