Write the equation of the line that passes through (2, 4) and has a slope of -1 in point-slope form.

Solve - pv + 40 < 65 for v solve 7w - 3r = 15 for r

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

Mrs. gehrke said cheddar weighs 16.8 pounds. he actually weighs 15.2 pounds. what is the percent error?