5. Dalia saved $ 3,000 last year. She saved $ 600 in the month of January. What percentage of the total amount of money you saved last year did Dalia save in January? A 20% C 40% B 30% D 60% 6.

4. find the geometric mean of 4 and 12. 24 8

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

The system of equations graphed below has how many solutions? y = 2x + 2