Answer:
9√6
Step-by-step explanation:
4√6+5√6
=(4+5)√6
=9√6
Answer: Hey the answer is f(x)=4•(0.5)^x
Step-by-step explanation:
Answer:
x^2 + 2xy + y ^2
Step-by-step explanation:
A = a^2
a = x + y
(x + y) + (x + y)
x^2 + xy + xy + y^2
x^2 + 2xy + y ^2