Respuesta :

Hemo4

Answer: D) 5+9

Step-by-step explanation:

Two variables next to each other with no sign means it's multiplication

When a number is in parenthesis next to a number in parenthesis with no sign it is also multiplication (just like the two variables)

When using the multiplication symbol it is a multiplication problem.

This leaves us with D which is an addition problem

Answer:

D

Step-by-step explanation:

Because 5x9, (5)(9), and ab is all multiplication however 5+9 is addition