Step-by-step explanation:
a 12 miles per hour * 45/60 = 9 miles
b I mean he can't ride negative speed, unless he's going backwards??
-8 * 45/60 = -6 miles
c they would be abs(-6) + 9 = 15 miles apart
Is it a right triangle?? If so use the Pythagorean theorem (a2+b2=c2)
He climbes 1 1/4 miles.
1/4+1/4+1/4+1/4+1/4= 1 1/4.
The factors for the number 81 is 1,3,9,27