I don’t know how to look up my my homework and can u show me how to look it up and please please help me to have the correct answers and to probably answer it for me please.

If 1 is divided by the sum of y& 4. the result is equal to 3 divided by 4 .find the value of m?

How do you find the area of a triangle

Trent wants to buy 2 packs of trading cards for 3 dollars each. the trading card packs that trent normally buys tend to come in packs of 6, 10, 12, or 15 cards. after selecting 2 packs, trent found that the first pack of cards cost 25 cents per card, and the second pack cost 30 cents per card. trent uses this information to write the equations below in order to compare c, the number of cards in each pack.