exam Maths Puzzle Numerical Ability

I do not know what the name of this type of problem is...what does the ~ above a small letter "a" mean with a blank box next to it and then the rest of the equation?

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exam Other Question

Which does not represent a possible intersection of a line and a triangle?:
0 points
1 point
2 points
3 points A local softball team hopes to win at least 3 games for every 2 lost during the season.If there are 15 games scheduled, how many games can the team win and still achieve its goal?