Cho hàm số y= x. Có bao nhiêu giá trị của m để Cchia trục hoành thành 4 đoạn phân biệt có độ dài bằng nhau

Ivan and jeff buy a package of 8 pens for $4.00. ivan wants 5 of the pens, and jeff wants 3.how much should each student pay?

The hawaiian alphabet has 12 letters. how many permutations are posible for each number of letters?

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