Answer:
1.5 hours
Step-by-step explanation:
1 1/2
divide 9 by 6 (because its 6 miles per hour) you get 1 1/2. so it would be 1 1/2 hours or 1/5 hours
4x(5x3)=(4x5)x3 the associative property basically just moves the parentheses.
17,19,23
that the prime number