Answer:
this answer is going to a 20 out of 100 percent
the answer is C or D
9.$19.96
10.$10
11.25%
12.unsure
Answer: 
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Explanation:
Use the pythagorean trig identity
and plug in the fact that 
Isolating sine leads to
. I'm skipping the steps here, but let me know if you need to see them.
The result is negative because we're in quadrant 4, when y < 0 so it's when sine is negative.
Therefore,

Answer:
$16.75 + $2.20 = $18.95
$20 - $18.95 = $1.05
Step-by-step explanation:
Brainliest please
1.905 rounded to the nearest tenth is 1.9