Answer:
(5 + 3i)(5 − 3i) = 34
Step-by-step explanation:
The multiplication of two identical binomials who have different symbol, can be solved using the factoring case of a difference of squares:
So, in this case:
Remember that 
So: 
We replace on the polynomial:
Answer:
250 berries
Step-by-step explanation:
There are 10 berries to every orange there is. It is given that there are 25 oranges. Simply multiply 10 with 25:
10 x 25 = 250
There are 250 berries.
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Answer:
25.60 €.
Step-by-step explanation:
£3 is €4
So £1 is €4/3
and £19.29 = 19.20 * 4/3
= 25.60 €
Let y be the distance from the turtle to the base of the building.
tan (34) = 5/y
y = 5 ÷ cos(34)
y = 7.4m
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Answer: The distance is 7.4 meters (Answer A)
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