What is the area of this triangle in the coordinate plane? 5 units² 6 units² 7 units² 12 units²

Mrs. gehrke said cheddar weighs 16.8 pounds. he actually weighs 15.2 pounds. what is the percent error?

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

What is the value of x in the equation7x+2y=48 when y=3