Aug 1, 2025 · (-) - (-) = (-) - (+) = (+) - (-) = (-15) - (-7) = (-5) - (+6) = (+4) - (-3) = (-15) + (+7) = (-8)

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Ampersand: the sign & the name being a corruption of 'and per se = and'; i.e. ' & by itself = and'. The sign derives from the scribes' ligature for the Latin: et in certain italic versions, the letters e and t are …

Oct 8, 2025 · Ever heard of the phrase "6-7?" Your teen might say it, and you probably didn't get it. Here's what it and other Gen Alpha slang terms mean.

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Evaluate x^2+2x for x=5: x^2+2x @ x=5 Evaluate 2x^2+2y for x=5, y=3: 2x^2+2y @ x=5, y=3 Solving Equations Solve x+5=8: x+5=8 Solve system x+y=7 and x+2y=11: x+y=7; x+2y=11 Check answer …

find the domain and range of (7,3), (-2,-2), (4,1), (4,1), (-9,0) (0,7) 7, 15, 23, 31, 39, 47, 55, 63 0.003234 to scientific 1, 7, 13, 19, 25, 31, 37, 43 lcm (26,14,91) d i s tan c e (3, 8) (5, 1) 5280ft to mi sin (120) …

A term is just one piece of a math expression, like 3 x 3x, 7 −7, or 2 y 2 2y2. Terms are separated by plus or minus signs, and if two terms have the same variable raised to the same power, we call them …

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