The answer to this question is D ( $0.18 ) per ounce:-)
32x^2+64x+12x+21
=> 32x^2+76x+21 you multiply the two equation together and you will get this
he would have traveled 210 miles because in half an hour he would have traveled 30 miles and in 3 hours he would have traveled 180 miles. so we have to add those up and we get our answer: 210 miles
A is 9 for the proportion part but I can’t see the rest of b so I can’t answer that for you
