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a+3b = 15, a+11b=47 , use simultaneous equations to get 8b = 32 therefore b=4 and a=3.

Vaccinations introduce the human immune system to pathogenic antibodies in a safe way. This could be in the form of the dead pathogen, a genetically engineered version or the lone antibody. The antibody a...

Have a picture of full working with annotation to go through during interview.Here is rough outline:y = cosh^-1(x)x = cosh(y)x = (e^y+e^-y)/22x = e^y+e^-y...

In both Mrs Dalloway and Wuthering Heights – Woolf and Bronte respectively use different avenues to present the experience of females most notably through the characters of Clarissa and Catherine respecti...