Answer:
5
Step-by-step explanation:
12 x - 3y / 4 x - Z
=12×3-3×1/3÷4×3-5
=36-1/12-5
=35/7
=5
So the final answer is 5.
Answer:
C. 
Step-by-step explanation:
Let be
the excedent on annual sales and
the bonus factor, to determine the bonus amount a composition of
is
must be done. That is:

Hence, the right answer is C.
Answer:
every year 1000
Step-by-step explanation:
2000 divided by 2 is 1000 x 5 = 5000 sow every year he gets 1000 dollars
189 inches is 15.75 feet
16 ft - 15.75 ft = 0.25 ft
0.25ft = 3 inches
He must vault 3 inches higher