Kyle has a total of 16 coins in his pocket. all the coins are nickels or quarters and they have a total value of $2.20 how many nickels does kyle have ?

(note i put the graph in so plz )the graph shows the amount of water that remains in a barrel after it begins to leak. the variable x represents the number of days that have passed since the barrel was filled, and y represents the number of gallons of water that remain in the barrel. what is the slope of the line

Describe in detail how you would construct a 95% confidence interval for a set of 30 data points whose mean is 20 and population standard deviation is 3. be sure to show that you know the formula and how to plug into it. also, clearly state the margin of error.

Define multiplicative inverse. give an example of a number and its multiplicative inverse.