12 sessions.
EXPLANATION:
each session is 1 3/4 hours.
We need enough sessions for 21 hours.
the equation is 1 3/4 x f = 21
using the multiplication property of equality, we can do 21 divided by 1 3/4
The answer is 12 sessions.
Hope it helps!
The expression simplifies to 3a-21
Answer:
1. congreunt; reflection
2. not congruent
3. congruent; rotation & translation
4. 64 cm
5. 62 degrees
Step-by-step explanation:
Answer:
1.33
Step-by-step explanation:
4/3