Of 150 adults selected randomly from one town, 30 of them smoke. construct a 99% confidence interval for the true percentage of all adults in the town that smoke

225/100 of last years cost. write each fraction as a decimal and as a percent

What is the area of triangle abc if a = 8, b = 11, and c = 15?

If the slope of one line equals the slope of another line then ? a) the two lines are intersecting lines b) the two lines are perpendicular lines c) the two lines are parallel lines d) the two lines always have very steep slopes