1st Example: first term 5, and ratio r = 2
5 , 10 , 20 , 40 , 80, ...
2nd Example: first term 5, and ratio r = - 2
5 , - 10 , +20 , -40, +80, ....
21÷(2+1)5-2²
21÷10+5-4
21÷15-4
21÷11
21/11
1whole10divided by 11
Answer:
Step-by-step explanation:

Answer:
its 63
hope this helps
Step-by-step explanation:
Answer:
it will be C) SAS(side angle side)