Answer:Recognise three numbers that are related through the operations of addition and subtraction.
Recognise that there are two related addition and two subtraction equations in a 'family of facts'.
Write and read sets of related addition and subtraction equations.
Step-by-step explanation:that is all
<span>If A = James's present age
then
</span><span>his age seven years from now = A - 7
hope it helps</span>
√(144*x²) = (√144)*(√x²) = 12x
Answer is D.12x.
whatttttttt? i have no idea what that is
