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The best approach to this problem is using a Venn Diagram. The first step to solving this problem is calculating the number of students who study Spanish or German or both. In the question we are given th...

Simply enough, Mitosis creates two cells that have the same number of chromosomes and identical chromosomes to the original cell and Meiosis creates 4 cells that have half the amount of chromosomes that a...

The best way to approach this is to begin by working out what 1% of 450 would be:450 is 100% of 450So to work out what 1% of 450 is:450 ÷ 100 = 4.5Now we know th...

√(4x⁸) = √4 x √(x⁸) = 2 x (x⁸)^1/2 = 2x⁴
Remember that (xⁿ)^p= x^np.

5x2 – 2x – 3x2 + 6x – 21= 2x2 + 4x − 21