Answer:
w² +9w +20
Step-by-step explanation:
Multiply it out, collect terms, and write as descending powers of w.
(5+w)(w+4) = 5w +5·4 +w² +w·4
= w² +9w +20
The answer to that equation is {7,7}
30 Dollars.
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Answer:
In some circumstances these displays may allow the female to observe the performance of males and to evaluate them as potential mates. To elicit displays from a group of males, a female Mallard may swim with her neck outstretched and her head just above the water
Step-by-step explanation:
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Answer:
3) 
4)
Step-by-step explanation:
distance between two points:
we have:
3) (6, -2), (8, -3)
so we have:
4) (7,-8), (-8, 2)
