A shop has two different offers on its sale of paper plates. OFFER A

6 paper plates for 90p

OFFER B

4 paper plates for 72p

a Write the ratio of number of paper plates to price, in its simplest form, for Offer A and Offer B. b Which gives better value for money? Explain your decision.

An energy drink company claims that its product increases students' memory levels. to support its claims, the company issues advertisements claiming that 8 out of 10 people (chosen randomly from across the country) who tried their product reported improved memory. the missing component in this study is a .

If the value of cos330°is√3/2 then find cos 165°.

How are algebraic expressions evaluated using substitution?