Answer:
B) 9
Step-by-step explanation:
110 + 75 + 11x - 9 + 8x + 13 = 360
19x + 189 = 360
19x (+ 189 - 189) = 360 - 189
19x = 171
19x/19 = 171/19
x = 9
Answer:
Step-by-step explanation:
2n² + 9n - 35 = (2n-5)(n+7)
n = 2.5, -7
<span>7745.96669241 is the square root...hope it helps :)</span>
It works because 7 x 9 x 10 is the same thing as 7 x 90, since 9 x 10 is just 90. So basically he is just writing more but the answer will still be the same.
