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Can you help me?
The Question is: Find x is a prime number if 5x+3 is a prime number, too.
I think you are very kind when you help me.
Alone 23/10/2018 at 13:01
\(\Leftrightarrow-2\le x-2y\le3\)Lê Anh Duy selected this answer.
What number should be relaced the question mark ?
In an NBA basketball game, a player scores 44 points, 5 of which come from 5 foul shots (each shot scores 1 point). He makes more 2-point shots than 3-point shots. Of the following number, which cannot possibly be the total number of 2-point and 3-point shots made by this player?
（A）15 （B）16 （C）17 （D）18 （E）19