Answer:
10
Step-by-step explanation:
<u>A negative number with another negative sign is practically a positive number.
</u>
Example: -(-4)
-(-4)
-1 * -4
4
Question: -(-10)
-(-10)
-1 * -10
<em>10
</em>
Answer: 10
Answer:

Step-by-step explanation:
step 1
Find the units rate of the first glacier

using proportion

step 2
Find the units rate of the second glacier

using proportion

step 3
Find the difference

Answer: ? = 72
Step-by-step explanation:
We will set up a proportion to solve.

Now, we will cross-multiply.
? * 35 = 56 * 45
35? = 2,520
? = 72