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a 2kg blob of putty moving at 3 m/s slams into a 2 kg of putty at rest. what is the initial momentum of the two blobs? what must be the final momentum of the two blobs? Also, calculate the velocity...

Multiply (2x+4)^2

Multiply (2x+4)^2.

z3 Times 5 35z 4z2

The school couldn't help and I don't know where to start.

Multiplying these two fractions? Thank you!! a2+17a+70 Times a2+2a-8 a2+3a-10 ...

what are the steps

my son is in 4th grade, it is a question for his math class

It is hard to do square feet ...