What is the focus and directrix of the quadratic equation of f(x) = x2 3x-28

Which conjunction is disjunction is equivalent to the given absolute value inequality? |x+2|< 18

Write the slope-intercept form of the line that passes through the point (1, 0) and is parallel to x - y = 7. t

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