Keiko made her mother a quilt. The width is 8 3/7 and the length is 7 2/3 ft. What is the area of the quilt

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.  

What is the value of x in the equation 1.5x+4-3=4.5(x-2)?

Solve the following pair of equations for x and y: ax/b_ by /a= a +b; ax - by = 2ab