What i the solution of the equation?
64 x-3 = 4 x+15

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

In which direction does the left side of the graph of this function point? a(x) = 3x - x2 + 4x - 2

Alex's monthly take home pay is $2,500. what is the maximum bad debt payment he can maintain without being in credit overload?