Math math math math Need asap Showing your work identify the vertex for each equation

1) y =-x^2+2x+1

2) y=-x^2-x

3) y=2x^2+5

Agarden consists of an apple tree, a pear tree, cauliflowers, and heads of cabbage. there are 40 vegetables in the garden. 24 of them are cauliflowers. what is the ratio of the number of cauliflowers to the number of heads of cabbage?

Triangle knm is what is true about the sides of knm

In the diagram, ab is tangent to c, ab = 4 inches, and ad = 2 inches. find the radius of the circle.