Larger negative numbers are less than, if you picture a number line.
<.......-83 ............-38........0........+38..........>
-83 < -38
The canyon is deeper or has a lower elevation than the scuba diving location.
Hi there!
All you need to do to solve for a is add 1.6 to both sides of the equation.
It will look like this:
a - 1.6 + 1.6 = -3.7 + 1.6
After this you will see that a = -2.1.
Hope this helps!
When in doubt just replace a with -2.1 and see if you still get -3.7. :)
If you want the height of the crate it's volume / base area = 48/16 = 3 feet.
Answer:

Step-by-step explanation:
8-25
4+3x-20
-17
16+3x