Answer:
100
Step-by-step explanation:
we start by subtracting 20 from 70, which is 50
we double 50 to get 100
Answer:
4 goals per hour
Step-by-step explanation:

The unit rate would be 4 goals per hour.
Hope this helps.
Equal sides and equal angles
Answer:
-1
Step-by-step explanation:
-2+(-1)÷3
-2-1÷3
-3÷3
-1