<span>the tens digit = n
</span><span>the units digit = n-5
n + n-5 = 9
2n = 9+5
2n = 14
n = 7 </span>← the tens digit
the units digit = n-5 = 7 - 5 = 2
<span>the number is 72</span>
your answer is either 7.6 or 10.0
D. because for every hour it goes down 5 degrees and since there is a 1 hour gap in between 7 am and 9 am
B could not be the coordinates.
I drew a sketch
You only put one equation in
