(a(i))[2]
Simplify this expression. $16c - 5d - 4c + 4d$
(a(ii))[2]
Simplify this product. $4x^3 \times 2x^7$
(b)[2]
Solve this equation. $3x - 2 = 5x + 1$
(c)[2]
Factorise completely this expression. $3x^2y - 5xy$
(d)[2]
Make $r$ the subject of the formula. $T = 3(r + 5)$