Craig earns extra money as a lifeguard he earns $37 for 4 hours and $64.75 for 7 hours. write and equation for the following proportional relationship

45 was divided by a power of ten to get 4.5. what power of ten was it divided by? people 4.5

Find the perimeter of the triangle with vertices  d(3, 4),  e(8, 7), and  f(5, 9). do not round before calculating the perimeter. after calculating the perimeter, round your answer to the nearest tenth.  

Look at the figure below: triangle abc is a right triangle with angle abc equal to 90 degrees. the length of ac is 5 units and the length of ab is 4 units. d is a point above c. triangle adc is a right triangle with angle dac equal to 90 degrees and dc parallel to ab. what is the length, in units, of segment cd?