Answer:
25°
Step-by-step explanation:
In 
BD = CD .....(Given)

(By isosceles triangle theorem)


Now,

(Angles in linear pair)



Next, in 

(By interior angle sum postulate of a triangle)




Answer:
B.
Step-by-step explanation:
if smart, they can hide
Answer:
The correct option is (A) No real solution.
Step-by-step explanation:
The expression provided is a quadratic equation.

The roots of a quadratic equation are:

Here,
a = 8
b = -10
c = 15
The conditions to determine real and complex roots are:
- If
then the quadratic equation has two complex roots. - If
then the quadratic equation has two real roots.
Compute the value of
as follows:

The equation has two complex roots.
Thus, the correct option is (A).
Answer:
the total of straw are going to be 9 and there will be a 1/9 chances of getting the short straw. while each friend picks a straw the probability of getting a short straw is going to be higher because the amount of straws are going to be lessened.