45 minutes = 3/4 hour
so the cyclist's average speed is
(9 miles) / (45 minutes) = (9 miles) / (3/4 hour) = 36/3 mph = 12 mph
Answer:
B is a convex polygon cause it points out
1 and 39/40
Step-by-step explanation:
Is east just add
27.
54 = 2 * 3 * 3 * 3.
3 occurs 3 times so the perfect cube is 27.
