(a + 2b) • (a2 - 2ab - 4b2)
<u>Answer:</u>
The correct answer option is D. 
<u>Step-by-step-explanation:</u>
We are given the following two functions:
and

We are to find
so we will subtract the function g from function f, arrange the like terms together and combine them like shown below to get:



Therefore,
is equal to
so the correct answer option is D.
.
She will need 12 seconds because -20•12=-240
Answer: 2 tons.
Step-by-step explanation:
1 pound = 0.0005 tons.
4,000*0.0005=2
Jasmine's rhino weighs 2 tons