2a+3b−6p²=

how do i answer this

This polynomial is already in lowest terms. There is nothing that can be done here.

50- 250 is correct i did that one too

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.