A rectangular basketball court is in the center of a rectangular field. The basketball court measures (9x+4) ft long and 5x ft wide. The field measures (11x+4) ft long and 7x ft wide. What is the area of the field that is not covered by the basketball court

The anwser cause i do not understand just plez

22. catie is starting a babysitting business. she spent $26 to make signs to advertise. she charges an initial fee of $5 and then $3 for each hour of service. write and solve an inequality to find the number of hours she will have to babysit to make a profit. interpret the solution.!

The point of intersection of the diagonals of a rectangle is 4 cm further away from the smaller side then from the larger side of the rectangle. the perimeter of the rectangle is equal to 56 cm. find the lengths of the sides of the rectangle. 16 points answer quick