Multiply
as indicated and combine like terms where possible

-a^3(a^2+b+b^3)

the reason why your question keeps getting deleted because this is not a school related question : )

i will answer your question though.

i never tried church's

if you explain the the question more correctly i might be able to answer this better

step-by-step explanation:

c.

step-by-step explanation:

she should of added 9^2 and 12^2. that is because it is a^2+b^2=c^2. c^2 is the hypotenuse and should always be bigger than the other two numbers. which is why she should of added 9 squared and 12 squared together instead of 15 squared.

inch

step-by-step explanation:

yard and mile are too big.