Hi there!
First we need to remember the following.

Now substitute both of the formulas.

Work out the parenthesis.

And finally collect terms.

~ Hope this helps you!
3 dimes= 30 cent
4 pennnies= 4
30+4= 34 cents
Answer:
ok i think its D
Step-by-step explanation:
2,4; x= 3
i am not 100% but like i looked up examples and that seems to be the only one that looks right