Solve the simultaneous equations: y=x^2 + 3x + 7 and y=x + 10
x= -3 and 1y= 7 and 11
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Billy wants to buy 10kg of the same oranges. Type A comes in bags of 1.25 kg and costs £1.50. Type B comes in bags of 5kg and used to cost £6.60 but are now 15% off. Which type is more worth it for Billy and how much does it cost?
Find the value (8/125)^-2/3
How do we factorise?