Show how to use substitution or elimination to solve the following system of equations. Write your solution as an ordered pair: 4x - y = 10 , y = 2x - 2

( , )

And please tell me if you used substitution or elimination. TYSM

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

Factor the monomial completely 42a3b3

What is x and y intercepts for y=x+7