1. which of the following expressions is not equal to 0.00055? 55 • 10^-5 5.5 • 10^-4 5.5 • 10^4 0.55 • 10^-3 2. a satellite can move at 17,000 miles per hour. how many hours will it take to reach a star that is three light years away? recall that 1 light year = 9.5 ∙ 10^12 kilometers and 1 kilometer = 0.62 miles. show your work.

Match each polynomial with its factorization.

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.

Secant be and cf intersect at point d inside a what is the measure of cde