Find the vertex of the parabola whose equation is y = x^2 - 4x + 3.
(-12)
0 (4.3)
o (2-1)

whoever answers this first gets the brainliest!

An octagonal prism has jow many lateral faces?

From the top of a tree a bird looks down on a field mouse at an angle of depression of 50°. if the field mouse is 40 meters from the base of the tree, find the vertical distance from the ground to the bird's eyes.

Mrs. blake's bill at a restaurant is $42.75. she wants to leave the waiter an 18% tip. how much will she pay in all, including the tip?