Answer:
84
Step-by-step explanation:
Calculator:280÷100×30=84
Answer:
she can buy 6 dolls
Step-by-step explanation:
Answer: 2, and 33
Step-by-step explanation:
Answer:
alternate exterior angles and corresponding angles
Answer: Second Option
and 
Step-by-step explanation:
If we have a function f(x) and its inverse function 
Then by definition:

Notice that the inverse of the function
is 
then:
If
and 
Then:



The answer is the second option