Answer:
2 miles per hour
Step-by-step explanation:
Remember that
To convert minutes to hours divide by 60
To find out Walter's biking rate, divide the total distance by the total time
so
convert minutes to hours
The slope of the line is -2 because according to y=mx+b the m represents the slope
Surface area is the area of every surface. Since this is a cube, we can find the surface area by multiplying the area of one of the faces by six. The area of any face is 64 square inches. So, the surface area is 384 square inches