Martina made $221 for 13 hours of work.
at the same rate, how much would she make for 9 hours of work?

221/13=17
17*9
=153

The sixth grade art students are making a mosaic using tiles in the shape of right triangles. each tile has leg measures of 3 centimeters and 5 centimeters. i f there are 200 tiles in the mosaic what is the area of the mosaic.

What is the domain and range of each function 1. x (3, 5, 7, 8, 11) y ( 6, 7, 7, 9, 14) 2. x (-3, -1, 2, 5, 7) y (9, 5, 4, -5, -7)

How would you find the height of points on the circle? the topic is trigonometry.