Answer:

Step-by-step explanation:
The vertex form of an equation of a parabola:

(h, k) - vertex
We have

We must use the formula: 

Use the distributive formula a(b + c) = ab + ac

Answer:
161
Step-by-step explanation:
the sum of the two interior angles equals that exterior angle
121+40=161
Answer:
D. People said that man could not fly, but in 1903, Orville and Wilbur Wright made the first sustained powered flight in a heavier-than-air machine.
Step-by-step explanation:
Wacom down straight to logo and and make sure he don’t get up