Four friends plotted the locations of their houses on a coordinate plane. Sarah’s house is located at (7, 2).
Mandy’s house is located at (3, 5).
Cameron’s house is exactly halfway between Sarah’s house and Mandy’s house.
Kayla’s house is exactly halfway between Cameron’s house and Mandy’s house.

What are the coordinates of Kayla’s house? A. (2,−72) B. (4,3.25) C. (5,32) D. (6,−14)

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

What is the value of the expression 9+n/3-6 when n = 12? 1. 5. 7. 12.

What statement is true? 2x^2-9x+2=-1