Answer:
Not sure exactly which equivalent expression you are looking for but my goal would be to write it without the negative exponent.

Step-by-step explanation:
They have the same exponent and it is multiplication.
There is a law of exponent that says
.
So we have
equals
.
Let's simplify (4*7)^(-2).
Since 4*7=28, we can say
.
Some people really hate that negative exponent. All that - in the exponent means is reciprocal. So
.
Answer:
Step-by-step explanation:
the correct answer is B
Tre's walking speed is 1mi/hr.
Data given;
- distance = 1 mile
- time = 1 hour
<h3>Speed or Velocity</h3>
This is the rate at which an object covers a distance within a particular time frame.

substituting the values into the equation

Tre's walking speed is 1mi/hr
Learn more on speed, rate here;
brainly.com/question/11408596
brainly.com/question/2296493
Answer:
$1620
Step-by-step explanation:
9% of budget = 0.09 × $18000 = $1620
Anthony spent $1620 on the family room.
The vertex is (8,7)
the minimum value is 7
the vertex form is y=(x-8)^2 +7
the minimum value of y=7
i hope this helps!