The radius of a sphere is 15 cm. Predict how much the surface area increases if the radius increases by 2 cm? Calculate the change in the surface area to the nearest square centimetre?

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′?

Aright triangle has an area of 21 m2. the dimensions of the triangle are increased by a scale factor of 4. what is the area of the new triangle

Typically a point in a three dimensional cartesian coordinate system is represented by which of the following answers in the picture !