Answer:
There are multiple possibilities. One is there are 12 boys, and 16 girls. 12+16= 28 which is between 20 and 30. That would be 12:16, which can be simplified to 3:4. There is also 9 boys, and 12 girls. that would be 9:12, which can be simplified to 3:4. Also, 9 + 12 = 21, which is between 20 and 30.
Answer:
the correct answer is c
Step-by-step explanation:
because we use formule when we write a equation
Answer:
Step-by-step explanation:
<B=90-47=43
AB/BC=sin 47
BC=AB/sin 47=18/0.731=24.6 nearly
AC/AB=Tan 43
AC=18 tan 43=16.8 nearly
Answer:
what grade is this for
Step-by-step explanation:
