Answer:
diameter?
Step-by-step explanation:
(x-9)(x+7)=0
x-9=0 or x+7=0
x=9 or x=-7
:)
All you have to do is multiply your number and then add them together !!
Answer:
3 : 1
Step-by-step explanation:
120-90=30
90 mangoes
30 apples
90 : 30 divide both by 10
9 : 3 divide both by 3
3 : 1