Step-by-step explanation:
When w=10, 7w=7×10=70
But the given value of 7w is 73.
So, the given value is not a solution of the equation.
Answer:
Step-by-step explanation:
We need to compare √8 and 4
<em>To compare the numbers they should both be in the same format</em>
<u>√8 is not a perfect square so we'll put number 4 under root</u>
<u>Now we compare</u>
So √8 is less than 4
Answer: $15
Step-by-step explanation:
-$50 + $75 = $15