Step-by-step explanation:
What this is saying is...20 is a whole number; but 3/4 is not. What they are saying is, if you have to add a mixed number with a whole number, you can add both of the whole numbers together. Then, you add the 3/4 at the end...because it is not a whole number. You can break apart a mixed number by separating the whole number and the fraction.
Hope this helps :)
<h3> Answer:</h3><h2>a.215</h2>
I don't know in letter b.
#CaRRyOnLeArniNG
Answer: 72 miles
Step-by-step explanation:
F(x)= -8x²
f(-3)= -8* (-3)²
f(-3)= -8 * 9
f(-3)= -72
Answer: -3/5
Step-by-step explanation: