The vertices of triangle abc are a(2,3),b(4,5),c(6,2).if r1 is the reflection in x axis and r2 at y axis, find r1or2 (∆abc).also find the single transformation to represent this combination of reflections?

An appliance salesman sets a goal to sell an average of 6 appliances per day for the first two weeks of his new job. the dot plot shows the number he sold each day during the first 13 days. what is the minimum number of appliances he must sell on the 14th day in order to reach his goal? a) 5 b) 6 c) 7 d) 8

Given this information, which expression must represent the value of b?

The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?