Acarpenter worked for 4 days to finish a repair job. she charged $825 for 15 hours plus $278 for material. what is the carpenter's rate per hour? plz hurrry explain good

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.

Can someone me and plz do the problem

Consider the graph of the exponential function y=3(2)×