Camryn practices the trumpet every 11^\text{th}11 th 11, start superscript, start text, t, h, end text, end superscript day and the flute every 3^\text{rd}3 rd 3, start superscript, start text, r, d, end text, end superscript day. Camryn practiced both the trumpet and the flute today.

Find the area of a parallelogram with base 15 yards and height 21 2/3

Nick has box brads. he uses 4 brads for the first project. nick let’s b represent the original number of brads and finds that for the second project, the number of brads he uses is 8 more than half the difference of b and 4. write an expression to represent the number of brads he uses for the second project.

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.