Answer:
4x+3
How: -2x - (-6x) = 4
3 cannot be added there you go
A net is just a 3D shape made into a 2D shape. So when you have a net, it is easier to make sure you count up all the sides without missing one or counting one twice.
14/19 if you add the amount of nickels and dimes together and then for the denominator just add all of the coins together.
Standard form is using only numerical values (numbers.)
Ninety-eight = 98
six-tenth = 0.6
98 + 0.6 = 98.6
98.6 is your answer
Hope this helps