Answer:
27
Step-by-step explanation:
You add 63 and 90 (90 being the right angle) and then subtract that from 180 which is the sum of all three angles and you get 27.
9 students.
4 studied 21 minutes,
2 studies 22 minutes,
1 studied 23 minutes,
and 2 studied 30 minutes.
Hope this helps you:)
Answer:
Alguien me ayuda es para mañana
If you do order of operations, you divide 6 and 2 getting 3. Add 42 and 3. 45 is the answer.
