why was everyone laughing? And if she said “after the ban”, does that mean past tense or future tense? Please explain

What is sin 7x/4 ? i need on this urgent trig

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

If p(a) = 0.70 and p(b) = 0.20, then a and b are independent events if