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First answer: evaporateSecond answer: solidify

50cm²

76 + 84 = 16036+54 = 90

We will prove that 2^(n+2)+2^(n+1)+2^n is divisible by 7 using formula to multiply powers with the same base:a^(b) * a^(c) = a^(b+c)Now looking at our expression we can write:2^(n+2) + 2^(n+1) + 2^n = 2^n...

Working class children are more likely to underachieve due to internal and external factors. External factors are the those that are culturally deprived meaning that it is outside of the education system ...