(a)[2]
Simplify the expression $3a - 5b + 2a + b$.
(b)[3]
Determine the value of $y$ when $P = 90$ and $x = 5$.
(c(i))[1]
Factorise $6x - 18$ in full.
(c(ii))[2]
Factorise $25x^2 + 10x$ completely.
(d)[2]
Rearrange this formula so that $d$ is the subject.
(e(i))[1]
Solve $\frac{x}{6} = 12$.
(e(ii))[2]
Solve $7x - 4 = 3x + 2$.