At Mountain Park Middle School, there are 250 seventh-grade students. Currently, 32% of those students are in advanced math.
a. Write an equation to represent the number of seventh-grade students who are not in advanced math. Let
a represent the number of seventh-grade students who are not in advanced math.

Apath 3 m wide runs around the inside of a square park inside 60 m. find the area of the path. pls

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

How to do this , and can some one explain