Answer:
She is 30
Explanation:
Because if you read it right it says "Emmett is 4 years older than Liam." Also you had a grammar error in it.
Step-by-step explanation:
It might be easier thinking of "rate of change" as the slope. Since you'll be finding a slope, then, use the formula
and substitute the values.

Answer:
or 
Answer:
-3/4
Step-by-step explanation:
Let's solve your inequality step-by-step.<span><span>−<span>10x</span></span><40</span>Step 1: Divide both sides by -10.<span><span><span>−<span>10x</span></span><span>−10</span></span><<span>40<span>−10</span></span></span><span>x><span>−4</span></span>Answer:<span>x><span>−<span>4</span></span></span>