Answer:
the order pairs show us how many feet the hot air balloon rises in a certain amount of seconds
Step-by-step explanation:
Honestly I don’t really know but I do believe the answers to
Answer:
90 minutes
Step-by-step explanation:
an hour is 60 minutes+ another 30 minutes= 90
Answer:
a) x=60°, 2x=120°
b) x=36°
Step-by-step explanation:
Answer:
14-2a
Step-by-step explanation:
Since 15 and 21 are not included: we will have
=15-2a-1
=14-2a