What is the standard deviation of the following data set rounded to the nearest tenth? 534,524,539,530,537,522 a.6.3 b.6.4 c.40 d.41

I’m which figure is point g an orthocenter

Astudent must have an average on five test that is greater than it equal to 80% but less than 90% to receive a final grade of b. devon's greades on the first four test were 78% 62% 91% and 80% what range if grades on the fifth test would give him a b in the course? ( assuming the highest grade is 100%)

A6 ounce bottle of dressing costs $1.56 a 14 ounce bottle costs $3.36 a 20 ounce bottle costs $5.60 which has the lowest cost per ounce