Answer:
1.5 inches
Step-by-step explanation:
(10+2x)(14+2x) = 221
4x² + 48x - 81 = 0
4x² + 54x - 6x - 81 = 0
2x(2x + 27) - 3(2x + 27) = 0
(2x + 27)(2x - 3) = 0
x = -27/2, 3/2
x = 3/2 or 1½ or 1.5 inches
Answer:
<h2>
X=1.33</h2>
solution,

Hope this helps.
Good luck on your assignment.m
Answer:
260x = 170
x=170/260 * 100% = 65.4 %
Step-by-step explanation:
300,000,000 is 3 x 10 to the 8th power