Answer:
Solutions to the equation are 
which agrees with the last option listed among the possible answers
Step-by-step explanation:
We solve this quadratic equation via the quadratic formula:

Answer:
the dictance between C and is 4 meters
Step-by-step explanation:
7 stamps* ($2.20/ 5 stamps)= $3.08.
(Note that the unit cancels out so you get the answer)
The final answer is $3.08~
Answer:
Step-by-step explanation:
The equation as written doesn’t work. Are you sure it is y = x² + 4x - 10, and not
y = -x² + 4x - 10 ?
y = -(x² - 4x) - 10
y = -(x² - 4x + 2²) + 2² - 10
y = -(x-2)² - 6
the vertex is a maximum at (2,-6)
45°. Also, it’s not zero, that’s just the sign for theta :))