Anne practiced piano for x hours. steve practiced piano three more hours than anne. kate practiced piano five times as long as steve. which expression represents the total time they practiced piano? a x + 3 + 5x b x + 5(x + 3) c x + x + 3 + 5x d x + x + 3 + 5(x + 3)

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?

Which of the following is the correct ratio for converting kilograms to grams