Which equation represents this statement? −115 is the same as the sum of −23 times a number and −3

−115+(−23)=−3x

−115+(−23x)=−3

−115=−23x+(−3)

−115=−23+(−3x)

answer: c.  

step-by-step explanation:

mixtures containing substances that get attracted to magnet can be separated using a magnet. we can separate iron from a mixture of sand and iron, as only iron attracts to the magnet.

1^3 + 2^3 + 3^3 +4^3 = (1+2+3+4)^2

step-by-step explanation:

i am only able to answer the first part. i am not sure about the second part. sorry

hello! just here for points! though i wish i knew!