Gary bought 2 shirts. each shirt cost $14. he also bought a cap that cost $10. how much money did gary spend?

Let the mean of the population be 38 instances of from 6" - 9" hatchings per nest, and let the standard deviation of the mean be 3. what sample mean would have a confidence level of 95% or a 2.5% margin of error?

65% of students in your school participate in at least one after school activity. if there are 980 students in you school, how many do not participate in an after school activity?

Solve x+3y=6 and 4x-6y=6 by elimination . show work !