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Using FOIL to expand the brackets we get 9 - 6 root5 + 12 root5 + 8*root5^2 Square rooting then squaring a number cancels out, so we are left with 8*5 or 40 for the last term. Simplify to give 9 + 6*root5 + ...

Step 1 Collect x terms on one side (here we subtract 3x from both sides to give 2x on the left, and 0x, on the right) Step 2 Collect the non x terms on theother side (here we add 4 to both sides to give 0 on...

A baby can either be a boy or a girl, so there are only two possible outcomes. This means that the probability of the next baby being born a boy is 1 out of the 2 outcomes. This also can be written as 0.5 as...

Normative social influence- due to tthe wish to fit in to a group and be liked informative social influence- due to lack of understanding

There are 4 different cases in the German language: nominativ, akkusativ, dativ and genitiv. The most basic and the one every student starts learning is the nominativ, which basically corresponds with the su...