28=(2+x)+x
-2 -2
_________
26=x+x
26=2x
Divide both by 2
13=x
length=15 width=13
Answer:

Step-by-step explanation:
The probability for a flip on either side of the coin is always 50% or 
So to get the probability for the three flips just do:
or
×
× 
Either way you solve it the answer is 
divide 486 by 9 = 54
it would take about 54 minutes
20, you just need to substitute the x value in the equation
(-2)2-7(-2)+10=
=20
Answer:
678996543456789
Step-by-step explanation: