The total cost of gasoline varies directly with the number of gallons purchased. gas costs $1.77 per gallon. write a direct variation to model the total cost c for g gallons of gas.

a.) c = g + 1.77
b.) g = 1.77c
c.) c= 1.77g
d.) c= g/1.77

Acar travels at an average speed of 52 miles per hour. how long does it take to travel 299 miles

The swimming pool is open when the high temperature is higher than 20∘c. lainey tried to swim on monday and thursday (which was 3 days later). the pool was open on monday, but it was closed on thursday. the high temperature was 30∘c on monday, but decreased at a constant rate in the next 3 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.

Which of the following is the graph of y= square root -x-3