Distributive property. You distribute the 2 to the X and get 2x, then distribute the 2 and the 3. 2X3=6. This gets you 2x+6.
A variable is just a letter or symbol that symbolizes a number
Therefore, B. 6x is a number multiplied by a letter (product).
Step-by-step explanation:
a · b = (4)(3) + (5)(6)
a · b = 12 + 30
a · b = 42
The greater numerator I think. The numerator is the number on top if I remember right lol