Henry and blake are both runners. in 2 hours, henry runs 14 miles. in 5 hours, henry runs 35 miles. the graph below represents the number of miles blake runs in x hours. a. blake runs at a slower speed. b. there is not enough information to determine their speed. c. henry and blake run at the same speed. d. henry runs at a slower speed.

Which of the following statement about pascal's triangle are true?

Write an algebraic expression for the word expression the quotient of c and 8

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.