Answer:
(x-y-1)(x^2+(x+y)+1)
Step-by-step explanation:
We will use additional formula:
sin ( 90°+ theta ) = sin 90° * cos(theta) + cos 90° * sin(theta)=
= 1 * cos(theta) + 0 * sin(theta)= cos (theta) It is proved.
b
Step-by-step explanation:
i just graphed each of them and b was the one that look most similar
Answer: Isosceles Trapezoid
Step-by-step explanation:
See the graph of the quadrilateral.
Answer:
48
Step-by-step explanation: 1 foot is 12 inches. Since the feet are going up by ones, you can say 1=12, 2=24 (+12), 3=36(+12), 4=48(+12)
Hope this helps
