When two substances react chemically to produce a new substance, what is TRUE of the mass of the two substances compared to the mass of the new substance?

4 & 3

step-by-step explanation:

factor of 108=2×2×3×3×3=2×2×3^3=the number is 4 because 2 only occurs 2 times and 2×2=4 and factor of 2187=3^3×3^3×3=the number is 3 because 3 onlyvoccur 1 time.

the image of (6, 9) under a dilation is (4, 6). the scale factor is

the answer is b.

step-by-step explanation:

identity property is where 0+whatever number=whatever number. basically 0+ a number.