Answer:
This question is unanwserable without the "Spider Tool" If you would like to revise it i'd be happy to help
Step-by-step explanation:
But the units are degrees
Answer:(9y-7)(9y+7)
81y^2-49
=(9y)^2-(7)^2
=(9y-7)(9y+7)
4,6 hope this helps you
