I need help If one edge of a triangle is 80 degrees and another is 50 degrees at what degree is the 3rd edge

50 degrees

Step-by-step explanation:

a triangle has 180 degrees

80 plus 50 is 130 so there are just 50 degrees left over

your answer is 23/2 - 13.5

step-by-step explanation:

7/2 evaluates to

multiply x and 4.5

multiply x and 1

the x just gets copied along.

the answer is x

x

4.5*x evaluates to 4.5x

multiply 3 and 4.5x

multiply 1 and x

the x just gets copied along.

x

4.5*x*3 evaluates to 13.5x

7/2-4.5*x*3 evaluates to

  + 8 =

the answer is

7/2-4.5*x*3+8 evaluates to

i dont know

step-by-step explanation: