The length of a rectangle is six times its width. If the perimeter of the rectangle is 140 ft, find its area.​

Add the fractions and simplify 1/2+ 1/3

In δabc, m∠acb = 90°, cd ⊥ ab and m∠acd = 45°. find: a find cd, if bc = 3 in

Delbert keeps track of total of the total number of points he earns on homework assignments, each of which is worth 60 points. at the end of the semester he has 810 points. write an equation for delbert’s average homework score a in terms of the number of assignments n.