Answer:
mass = density · volume
Step-by-step explanation:
To find the mass of a given volume, multiply your given volume by the <em>density</em>. Often, density is given in grams per cubic centimeter. 1 cubic centimeter is the same as 1 milliliter.
84
k(x+6)= 4x²+20
k(10)= k(4+6)= 4*4²+20= 64+20= 84
idk
2x tablespoons i believe