find the post dilated coordinates of the point at (-2,3) if the center of dilation is at the origin and the scale factor is 1/2

The ph level of a blueberry is 3.1 what is the hydrogen-ion concentration [h+] for the blueberry

Joanie wrote a letter that was 1 1/4 pages long. katie wrote a letter that was 3/4 page shorter then joagies letter. how long was katies letter

`if you have a set of parallel lines a and b cut by transversal x, if angle 1 = 167 degrees, what is angle 4 and why. also what is the measure of angle 5 and why? you need to use the names of the angle relationship and explain. ''.