Well this is easy.
We have linear inequality,

Simplifying this a bit to get,

Divide by 3 (both sides),

Or with interval notation,
.
Hope this helps. :)
Answer:
this triangle seems to be an isosceles, obtuse triangle
Answer:
Step-by-step explanation:
The formula of the Simple Interest is:
I=PRT
P for Principle Amount ($1200)
R for Rate (5%=

= 0.05)
T for Time in years (4 years)
I = 1200 × 0.05 × 4
= $240
Add the interest to the principle amount to check the balance
$1200 + $240 = $1440