A scientist measures the number of flies in a room over time. The results are shown below.
Time (hours)
Number of flies
10
71
20
52
30
38
40
39
50
51
60
63
Which of the following statements describes the trend in the data?
A. The number of flies increased, then decreased.
B. The number of flies decreased, then increased

When svante arrhenius first proposed his acid-base theory, he was a doctoral candidate. his professors thought his ideas were unfounded. within a decade, the arrhenius theory of acid-base was widely accepted and praised within the scientific world. arrhenius defined acids as compounds having ionizable hydrogen and bases as compounds with ionizable a) barium. b) hydronium. c) hydroxide. d) oxygen.

Is 9 correct? and can someone me with 10? it’s due tomorrow, you

Sum of brother and sisters age is 26. four times the brothers age is subtracted from three times the sisters age, the difference is 8. what are the ages of the brother and sister?