12,15,20 and 35 are four numbers Write the smallest 5 digit number which can be divided by these 4 numbers

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Which equation can be solved to find x the measure of jk in the apex

3questions show how you solved the problem 1. subtract & simplify (–y2 – 4y – 8) – (–4y2 – 6y + 3) 2.multiply and simplify 2x2y3z2 · 4xy4x2 3.multiply and simplify (x – 4) (x2 – 5x – 6)