If you toss 9 fair coins, in how many ways can you obtain at least one tail?

You give a $4 tip for a meal that cost $22. approximately what percent of the bill was your tip?

Human body temperatures have a mean of 98.20° f and a standard deviation of 0.62°. sally's temperature can be described by z = 1.4. what is her temperature? round your answer to the nearest hundredth. 99.07°f 97.33°f 99.60°f 100.45°f

Which shows the first equation written in slope-intercept form? 1/2 (2y + 10) = 7x