If the triangles are congruent, then x = [?]
13
4x+1
2x+y
8x-2y
Enter the number that belongs in
the green box
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Solve this riddle: i am an odd number. i an less than 100. the some of my digit is 12. i am a multiple of 15. what number am i?

Ihave a triangle with a 60 degree angle. lets use d for that angle. what are the values of e and f if d is 60 degrees? and what do you notice about the values of e and f?

Adele is five years older than timothy. in three years, timothy will be 2/3 of adele’s age. what is adele‘s current age?