Answer:

Step-by-step explanation:
we know that
The density is equal to the mass divided by the volume
Let
x-----> the mass of marble
y----> the volume of marble
z----> the density of marble

in this problem we have


substitute and solve for x


Answer:
3x + 21
Step-by-step explanation:
3(x + 7) Distribute
3x + 21
If you’re looking for the ratio:
75cm = 750mm
250:750
1:3
The answer is 1:3
Answer:
63in
Step-by-step explanation:
Answer:
<u>$6.00 for a pair of gloves and $8.00 for a hat </u>