Answer:
Option B. 
Step-by-step explanation:
we know that
The formula to solve a quadratic equation of the form
is equal to
in this problem we have

so
substitute in the formula
Remember that

substitute

Answer:
area is 
Step-by-step explanation:
the hight is 
*10/2=
The answer would be 14 because I don’t know how to explain it
Answer:
87
Step-by-step explanation:
sorry if im wrong