Joshua has x quarters and y dimes, having a maximum of 18 coins worth a minimum of $2.60 combined. A minimum of 10 of the coins are quarters.
Solve this system of inequalities graphically and determine one possible
solution.

A(1,1) b(-3,0) c(-4,-1) d(3,-2) drag it to correct position

There are a total of 75 students in the robotics club and science club. the science club has 9 more students than the robotics club. how many students are in the science club?

Monthly water bills for a city have a mean of $108.43 and a standard deviation of $36.98. find the probability that a randomly selected bill will have an amount greater than $173, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?