Write a linear equation that passes throughthe point (2, -9) and has a slope of -5 in slope-intercept form. Help pls

In the final round of trivia competition, contestants were asked to name as many states that begin with the letter m as they could in 15 seconds. the bar graph shows the number of states the contestants were able to name. how many contestants participated in the final round of the competition?

Find percent notation for 0.008 0.008=

Iknow the answer but the calculator doesn't seem to give the right one