How do I solve 4y-gon. The answer is 360(2y-1) but I don’t know how to show my work for it

Liz is shipping a package to her friend.the maximum weight of a medium flat-rate box is 20 pounds,including the box which weighs 6 ounces.write and solve an inequality to describe the possible weight ,w, of the contents that liz will ship to her friend if she must use a medium flat-rate box.

Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers

Select all expressions that are equivalent to 2(3x + 7y). question 1 options: 6x + 14y 6x + 7y 1(6x + 14y)