An object moves at a constant rate. the graph shows the object's height at different times. which equation represents the situation?
a. y = −15x 900
b. y = −15x − 900
c. y = 15x − 900
d. y = 15x 900

The tiles below are pieces of a normal ecg tracing representing a little less than two heartbeats at a resting rate of 80 bpm. arrange the tiles in their correct order. rank from first to last. do not overlap any tiles.

Polygon hh is a scaled copy of polygon gg using a scale factor of 1/4. polygon h's area is what fraction of polygon g's area?

Use complete sentences to differentiate between a regular tessellation, and a pure tessellation. be sure to include specific types of polygons in your explanation.