Answer:
66.69
Step-by-step explanation:
You start off with -3.9 x -5.7 which gives you a positive, and that positive is 22.23, then you multiply that number by 3, and you get 66.69.
Answer:
w=20
Step-by-step explanation:
Solve for w by cross multiplying.
Answer:


Step-by-step explanation:
Answer is given above with explanations .
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Answer:
y= -2x+1
Step-by-step explanation:
y=mx+b
y= -2x +b
3= -2(1) +b
3= -2 +b
b=1
y= -2x+1
Answer:15/17
Step-by-step explanation: cos = adjacent/hypotenuse