Need help with this question.

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

Jada has a meal in a restaurant she adds up the prices listed on the menu for everything they ordered and gets a subtotal of $42.00. when the check comes, it says they also need to pay $3.99 in sales tax. what percentage of the subtotal is the sales tax

Six random samples were taken each year for three years. the table shows the inferred population for each type of fish for each year.