Iam a 3-digit decimal. the sum of my digits is nine. one of my decimal digits is 0. i have a 3 in my tenths place. who am i?

The lines shown below are parallel. if the green line has a slope of -1, what is the slope of the red line

What number should be added to the expression x^2+3x+ in order to create a perfect square trinomial? 3/2 3 9/4 9

Angle xyz is formed by segments xy and yz on the coordinate grid below: a coordinate plane is shown. angle xyz has endpoints at 3 comma negative 1 and 6 negative 2 and 3 comma negative 3 and measures 36.87 degrees. angle xyz is rotated 270 degrees counterclockwise about the origin to form angle x′y′z′. which statement shows the measure of angle x′y′z′?