Answer:

Step-by-step explanation:
pull like terms from the problem to re-arrange it into a product

Answer
22
Step-by-step explanation:
82-2=80-60=20+2=22
Answer:
Bottom right
Explanation:
visualize both triangle connected to the middle rectangle, and that's a triangular prism
Answer:
α ≈ 76°
Step-by-step explanation:
The vertices of a rectangle are right , that is 90°
Using the tangent ratio in right triangle ABC
tanα =
=
=
= 4, then
α =
(4) ≈ 76° ( to the nearest degree )
Answer:
False
Step-by-step explanation:
9+10=19. 10
+9
——
19