Answer:
Two negatives make a positive.
Step-by-step explanation:
Step-by-step explanation:
a.
(ax + b)² = 0
√( (ax + b)² )= √0
ax + b = 0
dont know the rest
I answered both questions and explained it. hope it helps :)
Answer:
7
Step-by-step explanation:
It usually works best to draw the Venn diagram from the inside out, starting with the number in all three categories.
1) 30 participated on campus sports only
2) 8 participated in frats and sports but not tutorials
3) 30 +8 +23 participated in frats or sports but not tutorials
4) 30 +14 +23 = 67 participated in exactly one activity
5) 9 +7 +8 = 24 participated in exactly 2 activities
6) 180 -(67 +24 +5) = 84 participated in no activities