Questions by Crys

Questions by Crys

What is 15 2/3 - 12 5/6 ?

asked Nov 14, 2017

2 answers

3 votes

160k views

Stellar evolution is the life cycle of a star. A cycle suggests that upon death of a star, another star is born. How is this possible? (A)Stars never really die. (B)The death is a black dwarf star. This

asked Aug 25, 2017

2 answers

3 votes

202k views

Jack is 27 years older than Susan. In 5 years he will be 4 times as old as she is. Find the present ages of jack and Susan

asked Jul 25, 2016

1 answer

3 votes

206k views

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