As part of an earth science project, erin tracked the amount of rain fall for 4 weeks. she started tracking after finding some initial data on the year's rainfall to date: week rainfall 1 5.5 2 8 3 10.5 4 13 if the linear function representing the amount of rainfall each week is f(w) = 2.5w + 3, what does the 3 represent in this function? the amount of rainfall in week 0 . the week that erin collected data. the amount of total rainfall. the amount the rainfall increased each week

Consider the function f(x)=−2/3x+5 . what is f(1/2) ? enter your answer, as a simplified fraction, in the box. f(1/2)=

2x + 1 < 5 solve the following inequality. then place the correct number in the box provided.

Finally, the arena decides to offer advertising space on the jerseys of the arena’s own amateur volley ball team. the arena wants the probability of being shortlisted to be 0.14. what is this as a percentage and a fraction? what is the probability of not being shortlisted? give your answer as a decimal. those shortlisted are entered into a final game of chance. there are six balls in a bag (2 blue balls, 2 green balls and 2 golden balls). to win, a company needs to take out two golden balls. the first ball is not replaced. what is the probability of any company winning advertising space on their volley ball team jerseys?