Polynomial G(x)= -8x^2+6x-10

Marcus and cody both leave the park at the same time, but in opposite directions. if cody travels 6 mph faster than marcus and after 4 hours they are 64 miles apart, how fast is each traveling? solve using rare times time = distance.

Someone me what is the area of this figure? 18m 18m 8m 16m

A+b= 17, ab=70, find the value of |a-b|