<span>Thirty nine miles per hour
Hope this helps.!! :)</span>
we have

Equate the expression to zero to find the roots

Group terms that contain the same variable, and move the constant to the opposite side of the equation

Factor the leading coefficient

Complete the square. Remember to balance the equation by adding the same constants to each side.


Rewrite as perfect squares


square roots both sides


the roots are


so

therefore
<u>the answer is the option</u>

Answer:
Step-by-step explanation:
In factorizing its 36 my dude. Im sure just took the test
The angle measures 78 as 180-102 is 78 (180 is the degree of a supplementary angle)