Answer:




Step-by-step explanation:
Given:


---
1st problem:


Distribute:

Combine like terms:

---
2nd problem:



Distribute -3 to first factor:
Use foil to simplify:

Replace
with -1:

Combine like terms:

---
3rd problem:


Distribute 2 to the second factor:


Use foil to simplify:

Replace
with -1:

Combine like terms:

----
4th problem:

Distribute:

Combine like terms:

Simplify:

so, uh, i think the answe is actually 5. Since 5^2 is 25, minus 5 is 20, and 5 minus 1 is 4, 20 divided by 4 is 5. i hope that helps.
What I would do for this problem, is move all the terms that don't contain m to the right side, and then solve.
m = 4/5.
Answer:
5.8% or 6%
Step-by-step explanation:
6 face cards in a deck minus the red ones so it would be [6-3=3]
52 cards are in a deck and you have 3 black face card so it would be [3/52=0.0576]
Then to get your percentage it would be [0.0576 x 100=5.76%]
5.76 rounded up is 6%