Answer:
6x + 3y
Step-by-step explanation:
Multiply 3 by 2x.
Multiply 3 by y.
This is known as the distributive law.
Answer:
C
Step-by-step explanation:
degree 1 ( linear function
$30 because 12/6 = 2 so 15 x 2 = 30
Answer:
153, 9
Step-by-step explanation:
multiply and 7 and 9