5^2 + [15-4(3 1/5)] -15.4
And you have to show your work Bc the dang teacher is strict

I think the answer is 11.8

Step-by-step explanation:

25+ [ 15- 4 x 16/5] - 15.4

25 +[ 15- 4/1 x 16/5] - 15.4

25+ [ 15 - 20/5 x 16/5] - 15.4

25 +[ 15 -  64/5] - 15.4

25+ [ 15/1 - 64/5] - 15.4

25+ [75/5 - 64/5] - 15.4

25+ 11/5 - 15.4

25+ 2.2 - 15.4

27.2 - 15.4

11.8

theres no picture: /

step-by-step explanation:

y=-2.5x+12.5

step-by-step explanation:

5y=2x+10

y=0.4x+2

slope=-2.5

5=-2.5*3+b

b=12.5