Answer:

Step-by-step explanation:
we have

we know that




Substitute the values in the expression


Answer:
B.4
Step-by-step explanation:
the base is the bottom and on the bottom are what looks to be 4 bases
Hope this helps have a nice day
Answer:
2.50 or 2.5
Step-by-step explanation:
1/4=.25 so 25% of a number=5/8=0.625
So we multiply .625*4 to get the number. Since it's 25% and we want 100% to get it back to the original number
.625*4=2.50 or 2.5
As function is = 4x
so
4x=-x+5
5x=5
x=1