| -4b -8 | + | -1 - b^2 | + 2b^3 ; b= -2

i have tried many different attempts but i can't solve ! i'm in algebra 2 and this is part of my unit test of "expressions, equations, and inequalities"

-11 is the answer

Step-by-step explanation:

Use the demos calculator. My work is attached below, it is the one on the bottom. I literally just did this with my math teacher. These are all correct. I am assuming you go to connections like me so I gurantee these are correct.

b. the decimal could be two-tenths.

step-by-step explanation:

answer: bearing in mind that a rectangle has a perimeter of length + length + width + width.

step-by-step explanation:

p = perimeter

l = length

x=width

p = 2l + 2x

p = 2(l+x)     < ==== perimeter of the base of the box.