fully simplify 9f+5r-3f+4w-2r+3w
2/7 divided by 3/7
10 - (3.5 + 1/2)
5 2/5 as improper fraction
2,8,16,26 in quadratic sequence
x power 1/3 times x power 2/3
14 divided by 4/9
solve the equation d^2=4(3d+7)
2x^2 = 1 \implies x^2 = \frac{1}{2} \implies x = \pm \frac{1}{\sqrt{2}}, y = \pm \frac{1}{\sqrt{2}}
sam and bethan share £54 in the ratio 5:4 work how much they each get
