Then there would be 9 girls and 23 boys
i think the answer b or c
i hope this help
Use sine = opposite / hypotenuse
Answer:
<h3>lets create equation first then to solve it</h3>
.
Step-by-step explanation:
5+8+a=20
<h3>lets solve it.</h3>
5+8+a=20
13+a=20
a=20-13
a=7.
<h3>maybe it will be correct.</h3>
F14.33 1425,413 that’s the right number