Solve the following subtraction problems. remember to borrow as necessary. 5lb−2lb5oz 17t13lb3oz−9t20lb9oz 68lb13oz−30lb15oz

Adj has a total of 1075 dance and rock songs on her system. the dance selection is 4 times the size of the rock selection. write a system of equations to represent the situation.

1yd 1 ft = 1 1/12 1 1/3 1 1/2 1 1/6

The numbers on a football field indicate 10 yard increments. you walk around the perimeter of a football field between the pylons. you walk a distance of 30623 yards. find the area and perimeter of the indicated regions. write your answers as mixed numbers, if necessary. a. one end zone: perimeter: yd area: yd2 b. the playing field (not including end zones): perimeter: yd area: yd2 c. the playing field (including end zones): perimeter: yd area: yd2