2300 is ur answer.............
-7z^7(-19z^7) = (-7 x -19) x z^(7 + 7) = 133z^14
Answer:
(4, -1) (3, 5) In this problem, we use the formula y2 - y1 over x2 - x1.
Step-by-step explanation:
Step 1: Plug In--> <u>5 - (-1)</u>
3 - 4
Step 2: Simplify. --> <u>6</u>
-1
Answer: <u><em>-6</em></u>
The correct answer is B.)
We know that they have:
2 entrences
3 ways to chose (escalator,elevator and stairs)
8 gates
and again 3 ways to chose (escalator, elevator and stairway)
now you have to multiply it:

There are 144 different ways that Anita and Terry can go from street level to the trains:)