What is 98.4-93.9/1.5=11

Arectangular yard has area 96 square feet. if the width of the yard is 4 feet less than the length

The distribution of a sample of the outside diameters of pvc pipes approximates a symmetrical, bell-shaped distribution. the arithmetic mean is 14.0 inches, and the standard deviation is 0.1 inches. about 68% of the outside diameters lie between what two amounts?

Sade bought 21 1/2 lb. of ground beef. he used 1/4 of the beef to make tacos and 2/3 of the remainder to make quarter-pound burgers. how many burgers did he make?