An algebraic expression is an expression built up from integer constants, variables, and the algebraic operations.
<h2>Solution:.</h2>
Let the ceilings be <em>a</em><em> </em><em>&</em><em> </em><em>b</em>
and the distance from one corner of the ceiling to the opposite be <em>c</em>
<em>then </em><em>using</em><em> </em><em>Pythagoras</em><em> theorem</em>

hence ,c .°. the distance from one corner of the ceiling to the opposite is<em> </em><em>2</em><em>0</em>
Answer:
B
Step-by-step explanation:
Subtract 3 from all sides.
-4 < x < 2
Answer:
The answer is 4/5
Step-by-step explanation:
-1/2 y ≤ -2/5
1/2y ≤ 2/5
y ≤ 2 × 2/5
y ≤ 4/5
Thus, The value of y is 4/5
<u>-TheUnknownScientist 72</u>
Answer:65
Step-by-step explanation: