Two office buildings are 100 ft apart, as shown. From the edge to the roof of the shorter building, the angle of the elevation to the top of the taller building is 28 degrees and the depression to the bottom is 42 degrees. How y’all is each building? Round 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

Solve the given system of equations. 2y= -x+9 , 3x-6= -15

(-y to the power of 2 - 4y- to the power of 2 -6 y +3)