Answer:
Step-by-step explanation:
the anwser to number 7 is d or (x2-4) (x2+4)
by the way try using the app called Photo Math i use it for my test it works greatyou should try it some day.
Answer:
the numerator is 31 and the bottom is 8
Step-by-step explanation:
Answer:
3
Step-by-step explanation:
Again, anything to the 0th power is equal to 1.
The 0th power is attached to the b, so this means that b = 1. Multiply 9 and (1) together to get 9.
Now you can subtract 9 from 12 to get 3 as your final answer.
I can't tell if that is a question but I will answer it anyway:
An exterior of a shape is the lengths and angles outside of the shape.
An interior are the lengths and angles inside a shape.
Hope this helps.