Answer:
It is the first choice, where 3 pennies are 7.5 grams
Step-by-step explanation:
Answer:
9
Step-by-step explanation:
Substitute w = 3 into the expression
6w - 9
= 6(3) - 9
= 18 - 9
= 9
Here's a photo of the solution. Hope this helps and please give brainlist!