Answer: either b or c
Step-by-step explanation:
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Answer:
x=2 and y= -1
Step-by-step explanation:
substitute x value in equation 2
2(5y+7)+4y=0
10y+14+4y=0
14y = -14
y= -1
here,
x= 5(-1)+7
x= -5+7
x=2
A-14
B-.06
Hoope thos helps
SOH CAH TOA.
Sin = Opposite / Hypotenuse
Cos = Adjacent / Hypotenuse
Tan = Opposite / Adjacent