Answer:
last one
Step-by-step explanation:
x = width
x+6 = length
Area = length times width
x(x + 6) = + 6x
+ 6<em>x = 114 (subtract 114 from both sides) </em>
<em /><em> + 6x -114 = 0</em>
a) a *5+5= 20
5a + 5 = 20
5a = 20 - 5
5a = 15
a = 15/5
a = 3
b) b/5 - 5 = 4
b/5 = 4 + 5
b/5 = 9
b =9*5
b = 45
expanded form: 5 * 5 * 5
value: 125