Answer:

Step-by-step explanation:
We can apply the distributive property then combine like terms for a simpler equation.

Hope this helped!
Answer:
20
Step-by-step explanation:
10+10+10+10=40
40/2=20
You’re answer is 21
7(3)= 21 I hope I’m right :))
Use formula y2-y1 over x2 - x1
3-0/4-0
3/4 is ur answer
For the last one is the pi sign and 2.333