If you were to solve the following system of equations by using a matrix which of the following would be here coefficient matrix? 4x-3y=7 and x+5y=13

Asquare and an equilateral triangle have the same perimeter. each side the triangle is 4 inches longer than each side of the square. what is the perimeter of the square

John has 1/2 pound of oranges to share with julie. if they share the oranges equally, how much will each of them have?

Answer asap and if you do you will get brainliest. catherine buys a gallon of ice cream from the store. after taking it home, she eats a fifth of a gallon of ice cream. her sister eats some of the ice cream as well. if two-thirds of the original amount of ice cream is left, then what fraction of a gallon of ice cream did her sister eat?