Meters and seconds.
Most short distance races involve meters and the timing is usually in seconds. She can use the information and convert it to miles per hour.
The expression that is equivalent to the given expression is -4x^-5
<h3>How to determine which expression is equivalent to the given expression?</h3>
The expression is given as:
Rewrite properly as
-4x^-5x^0
Express as products
-4x^-5 * x^0
The value of x^0 is 1
So, we have:
-4x^-5 * 1
Evaluate the product
-4x^-5
Hence, the expression that is equivalent to the given expression is -4x^-5
Read more about equivalent expressions at:
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Answer:
Rate is 9 kilometers (km)/week.
Step-by-step explanation:
9000 meters is 9 km (divide m by 1000 to get km)
Answer: 6 1/4
Step-by-step explanation: 25 divided by 4 = 6 1/4