Answer:

Step-by-step explanation:

Hope this helped!! Have an amazing day :D
Answer:
<h2>72.5</h2>
Step-by-step explanation:

Standard form is
ax+by=c
where a,b,c are integers
y+3=1/4x
timesboth sides by 4
4y+12=x
minus x both sides
-x+4y+12=0
minus 12 both sides
-x+4y=-12
(I like x to be positive so)
times both sides by -1
1x-4y=12
a=1
b=-4
c=12
Answer: c.+dhf+2-4= 6)
Step-by-step explanation: Hope this helps!
A)If the order of the speakers is important, we have 20x19x18x17, or 116,280 different options.
b) If order is not important, then we have 20 choose 4, or 4845 different slates. ☺☺☺☺