A patrolman gives a driver a speeding ticket if the driver’s speed is greater than 15% over the posted speed limit. If the speed limit is 40 miles per hour, what is the highest speed that a driver can go without receiving a ticket?

What is the solution to the system of equations? (–2, –8) (–1, –5) (0, –2) (2, 4)

Jessica is organizing a guided tour of the rain forest. the average profit per person that the touring company makes is given by the rational expression 18x+35/x, where x is the number of people going on the tour. what does the numerator of this rational expression represents?

Ameteorologist is studying the monthly rainfall in a section of the brazilian rainforest. she recorded the monthly rainfall, in inches, for last year. they were: 10.4, 10.3, 11.7, 11.1, 8.0, 4.4, 2.6, 1.8, 2.5, 4.4, 7.3, 9.5 fill in the missing values in the formula. what is the variance?