Step-by-step explanation:
Since, r varies directly as s

First multiply (3x-7) and (2x+5)
i already did the multiplication so i am writing the answer
(3x-7)(2x+5)
6x^2+x-35
a is 6
b is 1
c is -35
if you want me to share how i did the multiplication then do let me know
Answer:
Five and Six hundred Forty one thousandths
Step-by-step explanation:
5.641 in words can be written as
the first number is considered same, decimal is considered as and and digits after decimal are considered as regular number.
So, 5.641 in word form is:
Five and Six hundred Forty one thousandths
No, 15% of 81 is 12.5 and 81+12.5 is only 93.5 and she needs at least a 95