Abag contains red counters and blue counters in the ratio 3: 5 what fraction of the counters are red?

The chs baseball team was on the field and the batter popped the ball up. the equation b(t)=80t-16•16+3.5 represents the height of the ball above the ground in feet as a function of time in seconds. how long will the catcher have to get in position to catch the ball before it hits the ground? round to the nearest second

[10 points, algebra 2-simplifying complex fractions]according to my answer key the restrictions are -1 and 4. but why not positive 1?

Create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1.