(a)[1]
Factorise the expression $y^2 + 8y$.
(b)[2]
Expand the brackets, then simplify $3(2x - 1) - 4(x - 5)$.
(c)[2]
Make $p$ the subject in the formula $k = 5m + 7p$.
(d)[4]
Solve the simultaneous equations, showing all your working. $3x + 2y = 6$ and $2x - 3y = 17$.