Easy
when rock is in water, it takes up a certain volume, say x
so
initial+x=final volume
luckily we have final and inital
13.7ml+x=28.9ml
minus 13.7ml both sides
x=15.2ml
the volme of the rock is 15.2ml
Answer:
9/25x^2 -25
Step-by-step explanation:
Answer:
They are equivalent because they equal the same, but the numbers are just flipped around. True
Step-by-step explanation:
