CAN SOMEONE HELP WITH THESE FOR BRAINLEST
PLSS THEY DUE I A FEW HOURS

Using the completing-the-square method, find the vertex of the function f(x) = 2x2 − 8x + 6 and indicate whether it is a minimum or a maximum and at what point. maximum at (2, –2) minimum at (2, –2) maximum at (2, 6) minimum at (2, 6)

What number produces an irrational number when multiplied by -1.25

What is the approximate circumference of the circle shown below?