Answer:
8
Step-by-step explanation:
15x-31+9×+11+×=180
25×-20=180
25×=200
×=8
15(8)-31=89
9(8)+11=83
8
Answer:
y intercept equals 1
Step-by-step explanation:
y= -1/2x+1
the slope is -1/2
the y intercept is 1
Which variable are we solving for?
For y:
y= 5x-4/ 13
For x:
x= 13y+4/ 5
<span>x^2 - 3x - 28 = </span><span>(x - 7)(x + 4)
answer
first one
</span><span>(x - 7)(x + 4)
</span>
hope it helps