157680000 minutes because because in one century there is 52560000 minutes.
Answer:
A
The leading coefficient is negative.
Step-by-step explanation:
Quadratic equation:
A quadratic equation has the following format:

The leading coefficient is a.
a negative:
The graph of the function is concave down, that is, it displays values that approach negative infinity.
a positive:
The graph of the function is concave up, that is, it displays values that approach up infinity.
In this question:
Displays values that approach negative infinity, so the leading coefficient is negative, and the correct answer is given by option A.
The midpoint between the two points are (0,1/2)
Answer:
C and D
Step-by-step explanation:
Additions have distributive property so the parentheses will not change the answer