when people say " in lowest terms" they usually mean like the simplified version of an answer
an example of this would be like
make
into lowest terms
the answer would be 
if you dont understand comment on this and ill try to break it down more
36:39 in simplest form is 12:13
:) There's no picture but I can solve this for you :)
Do PEMDAS
Parentheses
Equations
Multiplication
Division
Addition
Subtraction

Good luck on your assignment and enjoy your day!
~
Answer:
4
Step-by-step explanation:
y = 1/5x -1
Let x = 25
y = 1/5(25) -1
= 5-1
= 4
y =4
Answer:
Step-by-step explanation:
Hello
Simplify :
9 (1 - r) + 3r
= 9 - 9r + 3r
= 9 - 6r
= 3(3 - 2r)