√25/4=5/2 because 5/2 times 5/2 equal 25/4. Hope it help!
Answer: 11
Step-by-step explanation:
30 - 2(7+2)- 1 Distribute or solve parentheses
30 - 14 -4 - 1
30 - 19 = 11
8+.90+.07
This the answer because you have to make it as an addition way.
Hope I helped.
<em><u>The equation can be used to find the actual length of Gregory's room is:</u></em>

<em><u>Solution:</u></em>
Given that,
The scale that he uses is:
1 cm : 4 feet
On this drawing, the room is 3 cm long
Let "x" be the actual length of room
Therefore,
1 cm : 4 feet
3 cm : "x" feet
This forms a proportion. Therefore,

Therefore, Option C is correct
Given that,
Rob chose A as the correct answer. Which is,

But option A is wrong
So, Rob made a mistake in measuring the equivalent ratio, it should be 
Answer: 5.82in.
Step-by-step explanation: divide 23.28 inches by 4. a square has 4 sides so thats why i divided by 4 to get the answer of 5.82in.