The angle of depression from the top of the building to a point 44 feet from the base of the building is 65°. Estimate the height of the building to the nearest foot.

Acable company wants to provide cell phone service for residents on an island. the function for the cost of laying the cable from the island to the mainland is c(x)= 6.500 square root x2+4, where x represents the length of the cable in feet. what are the domain and range of the function? a) domain: all real numbers range: all real numbers greater than or equal to 17,000 b) domain: all real numbers greater than or equal to 0 range: all real numbers greater than or equal to 17,000 c) domain: all real numbers greater than or equal to 0 range: all real numbers greater than or equal to 13,000 d) domain: all real numbers greater than or equal to 13,000 range: all real numbers greater than or equal to 0

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?

The radius of a sphere is 3 inches. which represents the volume of the sphere?