Answer:
A
Step-by-step explanation:
Speed = distance/ time
=10km/ 1hr(60mins)
= 10km/ 1hr
=10km/hr
Answer:
44?
Step-by-step explanation:
Answer:
Step-by-step explanation:

F(g(3))
f(4 * 3^2 + 9)
f(45)
3 * 45 - 1
134
Answer:
C 40
Step-by-step explanation:
1 blue : 2 white
multiply both sides of the proportion by 20 to reach 20 blue marbles
20 blue: 40 white