Mary filled a water cooler with 6 1\2 gallons of water. she forgot to close the plug and 2 5\6 gallons leaked out. she adds 1/4 gallons how many gallons are there now

Which graph has a rate of change of zero

What is the answer to the question 5x+2x

The average daily maximum temperature for laura’s hometown can be modeled by the function f(x)=4.5sin(πx/6)+11.8 , where f(x) is the temperature in °c and x is the month. x = 0 corresponds to january.what is the average daily maximum temperature in may? round to the nearest tenth of a degree if needed.use 3.14 for π .