Expand.
Your answer should be a polynomial in standard form.
(b^2 + 5)(-b^2 + 7) =

10000

step-by-step explanation: divide by 2,

8+10

step-by-step explanation:

you multiply 4 by 2 and 5 by 2

38.6°

step-by-step explanation:

resultant is 10 pound

smaller force = 8 pound

angle formed = tan⁻¹(

                        =tan⁻¹(

                          =tan⁻¹(0.8)

                        =38.6°

where does the z at is it on the x axes or on the y axes any way if it is on the y axes put it horizontally and if it is on the x axes put it vertically