Answer:
must be greater than 7
Step-by-step explanation:
using pythagoras theorem
a^2=b^2-c^2
x^2=15^2-12^2
x^2=225-144
x^2=81
take square root both sides
√x^2=√81
x=9
and 9 is greater than 7
The correct option will be : 14 years
<u><em>Explanation</em></u>
Current account balance of Susan is $1,336.60 and her initial deposit was $820
So, the amount of interest earned
dollar
Formula for Simple Interest is:
, where
is the amount of interest,
is the initial amount,
is the rate of interest in decimal and
is the time duration in years.
Here,
% 
Now according to the above formula, we will get...

So, Susan has held the account for 14 years.
Answer:
what is the question. please provide a question.
Answer:
-16
Step-by-step explanation:
(X + Y)
= (-3 + -5)
= -8
(X - Y)
= (-3 - -5)
= 2
Because they're still in brackets in this form:
(-8) (2)
You multiply them both and you'll get the answer:
-16
hope this helped!
For the first one, lines one and two are perpendicular because they have opposite slopes. Parallel lines share the same slope