Jan sold for more than three times the number of magazines mel sold during the school fundraiser morgan sold 40 more magazines then melt if jen and morgan sold the same number of magazines how many did mel sell

Add the two expressions 3.8b - 7 and 2.9b + 9 enter your answer in simplified form

Find an equation of the line perpendicular to the graph of 28x-7y=9 that passes through the point at (4,1)

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?