It doesnt mean they are false it just means the person giving the study is going to favor something over something else in the study. Hes basically picking favorites.
(x-9)(x+7)=0
x-9=0 or x+7=0
x=9 or x=-7
:)
Answer:
85%
Step-by-step explanation:
9+51 = 60
(51/3) ÷ (60/3) = 17/20
(17/20)% = 85%