Answer:
14
Step-by-step explanation:
To find how many miles the submarine is going per minute, you need to divide the miles (56) by the minutes (4)
56/4 =
14 miles per minute
If the submarine has been descending for 1 minute, and descends at 14 miles per minute, you can conclude that it wend 14 miles below sea level in 1 minute.
68.04 grams
Since it's half a pound you would need to find thirty percent of half a pound
First you add like terms which means you add all the x's together and all the constants.
3x -5 =55 (Remember that 8 has a negative sign in front which brings that sign with it when combinding like terms)
Then you isolate the variable by adding 5 on both sides.
3x = 60.
Finally you divide by 3 on both sides to get x=20
Hello! I believe the Surface Area to a rectangular prism= 2(4x5+5x7+4x7). Let me know if i'm wrong. Anyways hope this helps!
Answer:
D
Step-by-step explanation:
the percentage increase is found using
percent increase = 
× 100%
increase = 166 - 135 = 31, hence
percent increase = 
× 100% = 22.96 ≈ 23% → D
