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Profit is (New price-Original price)/Original price . As a fraction it is percentage Profit/100. Equate (New price-Original price)/Old Profit to the fraction of Profit in %/100. Cross multiply and come up...

F - form

A - audience

R- representations

T - topic

P - purpose

Read through the whole text. Write a list of possible representations. Pick out quotes to back up each of ...

To find a) just plug in the number two to all places where n appears. In this case 8(2^2 + 2^(6 * 2 - 7))  and then number crunch. 8(4+2^5) -> 8 * (4 + 32) -> 8 * 36= 288.

To find part b, we ...

This one is quite complicated to answer typed up like this and i would definitley use a white board Show that 7x^2 - 21x can be come x(7x-21) which can in turn become 7x(x-3) Show that x^2 + 2x - 15 can b...

DNA Helicase - unwinds and unzips the DNA double helix by breaking the hydrogen bonds DNA Gyrase - this helps to stabilise the single strands Single-Strand Bindin...