Answer:
-2
Step-by-step explanation:
10.61
49b^10 -16b^2
(7b^5)^2 -(4b)^2=
49b^10 - (4b)^2=
49b^10 - 16b^2
I can't do the area but area of a triangle is
A of triangle = h×b over 2
h = hieght of the triangle
b= base of the triangle
Answer: square root of 53
did the math
4x+y add like terms ... -5+9=4 and -y(or -1)+2y=y
