20 points need to use a public vacuum at a car cleaning station, you have to pay $2.00 for the first 15 minutes. each subsequent minute is priced at 15 cents per minute. caroline does not want to spend more than $7 using the vacuum. what constraint inequality represents this situation, where x is the total number of minutes spent using the vaccum? 2 + 7 + 0.15x ≥ 15 2 + 7 + 0.15x > 15 2 + 0.15(x − 15) ≤ 7 2 + 0.15(x − 15) < 7

Ineed with number 17 i don’t get it at alll

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

You’re repairing a large rectangular aquarium. the final step is to cover the glass with a protective film. the front and back of the aquarium measure 4 meters by 2 meters, and the sides of the aquarium measure 3 meters by 2 meters. how many square meters of protective film do you need? ( )