Convert 100 yards into meters (1 yd = 3 ft and 1 meter = 3.28 feet)

Which expression is equivalent to (3^2)^-2 a.-81 b.-12 c.1/81 d.1/12

While scuba diving, rajeev dove to a depth of 12.6 feet below the surface of the water and then descended another 8.7 feet. what expression can be used to find rajeev's new position? 12.6 – 8.7 –12.6 – 8.7 –12.6 – (–8.7) 12.6 – (–8.7)

The perimeter of a stage is 116 feet. it is 17 feet wide. how long is it?