B. 13
12^2 + 5^2 = c^2
169 = c^2
13 = c
please mark as brainliest :D
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
Answer:
angle a is 73 and angle c is 180-(73+73)=34
D. 989 sq.m should be the right answer