Write an expression for 5 times a number

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)

Draw a scaled copy of the circle using a scale factor of 2

When 60% of a number is added to the number the result is 192 what is the bumber