a) a+b=b+a
the commutative property of whatever number is it turned around
b) a * b= b*a
the commutative property of whatever number is it turned around
c) b+0=b
the additive property is whatever adds to zero is that number.
d) b*1=b
the multiplication property of one is whatever mutilply by 1 is that number.
Answer:

Step-by-step explanation:
The given arithmetic sequence is 94, 87, 80, 73,...
The first term is

The common difference is


The recursive formula is given by:

We substitute the common difference to obtain:

Answer:
65
Step-by-step explanation:
66
To find the vertex of a quadratic equation, determine the coefficients of the equation, then use the vertex x-coordinate formula to find the value of x at the vertex. Once the x-coordinate is found, plug it into the original equation to find the y-coordinate.