If 8 is added to twice a number and this is multiplied by 6? the result is the same as if the number is multiplied by-10 and 4 is added to the product. what is the number?

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

Which value of c would make he following expression completely factored? 8x+cy

Which of the binomials below is a factor of this trinominal? x^2-13+30