AB and CD are parallel lines.
Work out the size of x.

square root

step-by-step explanation:

step-by-step explanation:

ok so im not 100% sure but you would start by adding 5.1t and 1.9t beacuse they have the same variable. that is 7t.   then add -3.6 + 1.2 which is -2.4

so then keep that as -2.4 + 7t. i apologize if this is incorrect. best luck on your test < 3

let m = monomial

let t = trinomial

so, m times t = t.

monomial times a trinomial = another trinomial.