An hour is 60 minutes so 80-60 = 20 so 1 hour and 20 minutes.
Answer:
yes, it is a perfect square trinomial because the square of binomial are (x-0.375) (x-0.375)
You can do 2 1/2 minus 1 1/8 to get 1 3/8. Your welcome and I hope you get a good grade
Answer:
y = -2x
Step-by-step explanation:
When rates expressed as a quantaty of 1, such as 2 feet per second or 5 miles per hour