In a controlled atmosphere, a liquid cools at a constant rate in which its temperature changes by 16/25 degree Fahrenheit in 1/2 second. How long will it take the liquid to cool 40 degrees? Explain in words how you determined your answer.

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 m will create a system of parallel lines with no solution? y= mx - 6 8x - 4y = 12

Apack of gum would be considered a(n) necessity luxury item small ticket item unaccountable expense