Favorite Subject Science
15%
Arts
8%
English
32%
Math
26%
Other
8%
History
11%
5 The pie chart above describes the distribution of favorite school subject for 300 high-
school students. The number of students whose favorite subject is math is:
(A) 26
(B) 45
(C) 60
(D) 78

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.

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 - 4x - 5 = 0

Awindow washer cleans 42 windows in 2 hours. at this rate, how many windows did he clean in 180 minutes.