Answer:
616/2500
Step-by-step explanation: You first have to find the number of times a Blue marbles was chosen: 22
Then find the total number of marbles that were chosen. Make a fraction out of it: 22/50
You then see how many times tails was flipped: 28
Do the same thing again: 28/50
Then multiply the two fractions together:
22/50 * 28/50 = 616/2500
Answer:

Step-by-step explanation:

sin H = Opposite / Hypotenuse
sin H = 5/13
sin H = 0.384615
<H = 22.6198
<H = 23 (nearest degree)
Answer is first one.
23
The perimeter should be 11, since 33 divided by 3 is eleven.
5/8 of the students are boys
5 representing boys
8 representing all students