Answer:
-1/2
negative
Step-by-step explanation:
The correct question is
<span>Keiko sold 3 less than three-fourths of his sister’s sales. Which expression represents what Keiko sold?
Let
S----------------> </span><span>the amount that Keiko's Sister sold
</span>K----------------> the amount that Keiko sold
we know that
Keiko sold 3 less than three-fourths of his sister’s sales
K=(3/4)*S-3
the answer is
K=(3/4)*S-3
Perdenicular lines I think
Answer:
900%
Step-by-step explanation:

The volume of pyramid A is 384 cubic inches.
3456/384 = 9
Pyramid B's volume is 900% bigger than pyramid A's volume.
Y=7/4x+9/7 is an equation perpendicular to that