The 11th customer because they don't mention it.
Answer:
C
Step-by-step explanation:
9x^2-49y^2
Just flip the signs of co-ordinates by using formula y=>-y
- Make sure to do this with y only as it has been reflected to y axis



Answer:
I read the title wrong, please remove my answer
Step-by-step explanation:
9514 1404 393
Answer:
-2/3
Step-by-step explanation:
2^a = 0.5 = 2^-1 ⇒ a = -1
5^b = 125 = 5^3 ⇒ b = 3
Then the expression a^b +b^a is ...
a^b +b^a = (-1)^3 +3^(-1) = -1 +1/3 = -2/3