Answer: Question 1 :B,D.
Question 2:option B,
Question 3:Degree=5.
Question 4:option D.
Question 5: option c.
Step-by-step explanation:
1) A polynomial can not have any exponent as a variable or a fraction.
Options B and D are polynomials.
2) The polynomial is having 3 terms and is of degree 3.so it is a cubic trinomial Option B.
3) Degree is the highest power of the variables in the terms .The term 
has the power=3+2=5
So degree =5.
4)
Option D
5)
Simplifying like terms,
=
Option c.
Answer:
Step-by-step explanation:
<em>Answer:</em>
<em>∠x = 70°</em>
<em>Step-by-step explanation:</em>
<em>Given that PQ||BR</em>
<em>Line PQ and BR with transversal AC,</em>
<em>∠x + ∠ACR = 180° {Co-interior angles}</em>
<em>⇒∠x + 110° = 180° {From what I can see it looks like 110.}</em>
<em>⇒∠x = 180° - 110°</em>
<em>⇒</em><em>∠x = 70°</em>
Answer:
5sqrt2
Step-by-step explanation:
Using the pythagorean theorem, we get 5^2+5^2=c^2. C is the diagonal here. 25+25=c^2, c^2=50. c=sqrt50. Simplifying it, we get the diagonal as 5sqrt2.
