- - Math subject where "x" goes missing, for short
- - prerequisite for calc class (abbr.)
- - Subject with x's and y's, for short
- - High school math class: abbr.
- - Math subject where you find "x," for short
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- - Math class where students might solve for x
- - Maths branch
- - Math's 'unifying thread'
- - A supporter nursing broken leg in class
- - Math whose name comes from Arabic
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- - A record where America is missing from the field event
- - Part of the spinal column
- - Piece in the game Othello
- - Record find? Not half!
- - It can be slipped in a personal column
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- - where the top teams are when a child starts maths
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- - struggling for particulars after lorry goes missing? it's found in derbyshire caves
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- - type of vessel that went missing in june 2023 ... and is missing in five answers in this puzzle
- - Fill in for a regular teacher, for short
- - Black American returns in boat
- - One of the Germans' U-boats
- - replace one sort of vessel
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- - Maths subject, in short
- - hs subject with tangents, for short
- - H.S. math topic
- - Math subject with "cos" and "tan," for short
- - It has its ratios, for short
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