HEYOO PEEPS Calculate the average speed of the four team members. Each person ran 50 meters. Tray ran 50 meters in 12 seconds,

Riley ran 50 meters in 8 seconds,

Sara ran 50 meters in 10 seconds and

Nate ran 50 meters in 10 seconds.

What is the average speed of the team members? Don't forget the units.

The trigonometric ratios sine and secant are reciprocals of each other

Ascientist wants to use a model to present the results of his detailed scientific investigation. why would a model be useful? a )because the model makes the concepts easier to understand b) because the model is easy to put together and to use c) because the model prevents other scientists from asking questions d) because the model requires the audience to pay full attention to it i don't know what to choose because between a and d a is much more likely than d because it only wants to get the attention of the audience. i'm confuse.

Determine the vertex form of g(x) = x2 + 2x - 1. which graph represents g(x)? -nw -3-2-1, 1 1 2 3 -3 2- 1 -3- 1 2 3 - 1 2 3