Answer:
A. A reflection over the x-axis
Answer:60 %
Step-by-step explanation:
<h3>if we set up an proportion,
=
the answer is 60. </h3><h3>100x12=1200</h3><h3>1200 divded by 20 =60</h3>
Answer:
30
Step-by-step explanation:
<span>it all looks confusing when we try to juggle with all those numbers in the head. The problem can be solved systematically by constructing a contingency table.
</span>role/gender B G total
speaking...... 4 4 8
<span> silent............ 4 8 12
total............. 8 12 20
</span>Probability of a child having a speaking part is therefore
(4+4)/20=8/20=2/5
a. 2/5
