Write an example of a system for each condition relative to the solution by elimination. • Adding or subtracting equations will eliminate one of the variables.
• You need to multiply one of the equations by an integer before you add or subtract.
• You need to multiply both of the equations by an integer (or one equation by a fraction) before you add or subtract.

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 sum of these mixed numbers 2 1/8 + 4 3/8

Which expression is equivalent to 8(k + m) − 15(2k + 5m)?