<u>Answer</u>:
b = 4a
<u>Step-by-step explanation</u>:


<em>changing sides changes sign division to multiplication.</em>
Answer:
see below
Step-by-step explanation:
sqrt(90)
We know that sqrt(ab) = sqrt(a) sqrt(b)
sqrt(9*10)
sqrt(9) sqrt(10)
3*sqrt(10)
2.5 weighs more. It’s a greater number than 2.48