Find the perimeter of a rectangle with a side length of 28.4 mm and 22.3 mm

What is the simplified form of 7 √x • 7 √x • 7 √x • 7 √x?

What are the solutions of the system? y = x^2 + 2x +3y = 4x - 2a. (-1, -6) and (-3, -14)b. (-1, 10) and (3, -6)c. no solutiond. (-1, -6) and (3, 10)

Asystem of equations has 1 solution. if 4x-y=5 is one of the equations , which could be the other equation ?