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Explain how you do each step what term makes it inconsistent y=2x - 4 ?

Some boys and girls were asked if they had a pet. one third of the group were boys. there were 20 boys. 20% of the girls had a pet. boys with a pet : girls with a pet = 1 : 5 i need to know how many girls there are.

How do you write a paragraph proof to prove that the corresponding angles shown are congruent