The radius of a cylinder is 5 cm and the height is 7 cm. Find the Lateral Area for the cylinder.
8011
A7011
12011
17511

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

Ineed if you could explain and give me the answer you! this needs done

Find the number of real number solutions for the equation. x2 + 5x + 7 = 0 0 cannot be determined 1 2