Answer:
it answer is 3 because it is trigonometry
Perfect-square trinomials are of the form:

and are expressed in squared-binomial form as: 
The only possible choice for squared-binomial form is

Answer: correct choice is A.
1 a)
6^2*6^3= 6^(2+3)=6^5
1b)
(-2)^2 *(-2)^4 = (-2)^(2+4)= (-2)^6=2^6
1c
Answer:
343m3,8m3,1000m3 for Perfect squares
300m3,9m3,900m3 for Not-perfect squares
Step-by-step explanation:
Did an assignment on edge
Umm I think if you calculate it it will be 129,929