Answer:
109m/s
Step-by-step explanation:
You idiot sandwich
Step-by-step explanation:
The coefficients are 4, 5 and 7
There is no constant
The second one is right
7x-(x-y) = 7x - x + y = 6x + y
9a-(2b-a) = 9a+a-2b = 10a-2b
hope it helped
D, it makes the most sense
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Cosine and secant functions are reciprocal, which means

So, if

then

I hope this helps. =)
Tags: <em>cosine secant cos sec relation reciprocal trig trigonometry</em>