Answer:
The first one, "A survey..."
Hope this helps!
Step-by-step explanation:
When multiplying fractions, multiply row by row. 5×1=5 over 3×7=21. So we get positive (becayse negatives cancel each other) 5/21. We can't simplify it any further so thats the answer. Hope this helps!
Answer:
w
=
P
/2
+
1
/2
Step-by-step explanation:
