In a class of students, the following data table summarizes how many students have a brother or a sister. What is the probability that a student chosen randomly from the class has a brother and a sister? Has a brotherDoes not have a brother
Has a sister42
Does not have a sister67

In a graph with several intervals o data how does a constant interval appear? what type of scenario produces a constant interval?

An initial investment of $100 is now valued at $150. the annual interest rate is 5%, compounded continuously. the equation 100e0.05t = 150 represents the situation, where t is the number of years the money has been invested. about how long has the money been invested? use your calculator and round to the nearest whole number. years

What are the coordinates of the point that is 1/3 of the way from a to b? a (2,-3) b (2,6)