The length of a rectangle is 3 yd longer than its width. if the perimeter of the rectangle is 30 yd , find its area

In the geometric progression –3, 12, −48… what term is 3,072?

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.  

Which number can each term of the equation be multiplied by to eliminate the decimals before solving? 5.6j- 0.12=4+1.1j