9 x 8 x 4 x 10 x 12 + 1000 = ?

Which math sentence can be used to determine if the triangle is a right triangle?

How do you find principle and simple interest

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′?