b) ( 7, 21)
Step-by-step explanation:
5(7)=2(21)-7
35=42-7
35=35
Answer:
The correct answer is 1/49
Step-by-step explanation:
In order to find this, we first can eliminate the negative in the exponent by putting the whole this in the denominator.
(-7)^-2 = 1/(-7)^2
Now we can evaluate the denominator
1/(-7)^2 = 1/49
308 miles per 11 gallons.
You need to find the amount of miles per 1 gallon.
dived the number of miles over gallons.
will look like:
miles
----------
gallons
it will look like for this problem
308
-------
11
308
-------- =28
11
28 miles per 1 gallon
The range would be the difference between the lowest age and the highest age.
The highest age is 76, the lowest age is 30
The range is 76 - 30 = 46
