Answer: find the third value when two values
The perimeter of ΔABC is 13 cm
Step-by-step explanation:
Answer:
it's going to be the equal sign for sure =)
Answer:

Step-by-step explanation:
Considering the function

if

then the square of a function
is

as 
so

Therefore,
(1,5)
Step-by-step explanation:
Simultaneous equations
4x+3y=19
4x=19-3y
x=(19-3y)/4___put in the other equation
7(19-3y)/4-6y=-23
Solving gives y=5 and x=1