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dsp73
3 years ago
15

Simplify the expression (9 + 2i)(9 − 2i). 81 − 18i 81 + 18i 77 85

Mathematics
1 answer:
Ymorist [56]3 years ago
5 0

Answer:

=85

Step-by-step explanation:

I'm pretty sure I'm correct

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4 0
3 years ago
WILL MARK BRANLIEST IF GOTTEN RIGHT
Mamont248 [21]

Answer:

The last choice. The red one

Step-by-step explanation:

I'm just guessing at this point. But, by the looks of it, red does seem like it would be correct. Again, this is just a guess. So, if it's wrong I'm so sorry. Have a lovely day.

3 0
3 years ago
(1 - 5q ) +2 (2.5q +8 )
VikaD [51]
Distribute
remember
a(b+c)=ab+ac
2(2.5q+8)=2(2.5q)+2(8)=5q+16

1-5q+5q+16
1+0+16
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5 0
4 years ago
A little help please?
Tasya [4]
3x-10+2x=115
5x-10=115
5x=125
x=25

m<b=3(25)-10=65
m<C=2×25=50
7 0
3 years ago
there is also a D is its not any just say none so i know its d pls dont joke ima get kicked out the class is i dont do good​
Monica [59]

Answer:

b

Step-by-step explanation:

son

8 0
3 years ago
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