Find the x-coordinate of the vertex of the function given below. You may enter just the number
y = x2 + 14x+21

What are the relative frequencies to the nearest hundredth of the columns of the two-way table?

There are 15 plates and each plate is either 7 or 12 inches diameter. which systems of equations do you use to find the number of 7 inch plates, x and 12 inch plates, y

Which ordered pair is a solution to the system of linear equations? 2x + 3y= 6 –3x + 5y = 10