Which system is equivalent to
į y=9x? ,
|x + y = 5
5-x=9x²
1 y=5-x
y = 9y2 – 90y+225
[x=y-5
15+x=9x2
| y= 5+
y=3x
(x+3x=5

answer: it is d

step-by-step explanation:

the arc length is found by finding the circumference of the full circle (2xpixradius) and then dividing by 4 to find just one quarter of the circle (90 degrees).

income. 10x+1300

expenses 3x+(1800+1500)

expenses 3x+3300

to break even:

income = expense,

10x + 1300 = 3x + 3300,

solve for x.

step-by-step explanation:

mark brainliest

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