A resource which originated from nature and does not come from artificial substances
Answer:
c
Step-by-step explanation:
ccccccccccccccccccccccccccccccccccccccccccccccccc
Answer:
The smaller number is -9.
Step-by-step explanation:
Let <em>x</em> and <em>y</em> be the two unknown numbers.
Their sum is -5. Hence:

Their difference is 13. Hence:

This yields a system of equations. We can solve this using elimination. Adding the two equations together:

Simplify:

Divide both sides by two. Thus:

Using either equation (I'll use the first):

So, our two numbers are 4 and -9.
The smaller number is -9.
Answer:
See below
Step-by-step explanation:
45% of 480 = .45 * 480 = 216
40% of 540 = .4 * 540 = 216
They both have 216 minutes left.