Answer:
B:21
Step-by-step explanation:
Area of parallelogram=315=base ×hight .
base =x
hight= 15
15 × x = 315
x= 315/15
=21
To factor you must play with factors which multiply to
9
(
1
×
9
,
3
×
3
,
9
×
1
)
(
x
−
9
)
(
x
−
1
)
=
0
Now, solve each factor for
0
:
x
−
9
=
0
x
−
9
+
9
=
0
+
9
x
−
0
=
9
x
=
9
and
x
−
1
=
0
x
−
1
+
1
=
0
+
1
x
−
0
=
1
x
=
1
Answer:
B
Step-by-step explanation:
3/8 or three-eights of five team
No, because if they were equal the second equation should be 225/(15x3), not (15/3).
