Answer:
The temp started at 12.
Step-by-step explanation:
The temp dropped 21 degrees to -9.
Let t be the old temp.
-9 = t - 21
t = 12
Solute = what is dissolved
solvent = that which dissolves or can dissolve
You take it from here.
Answer:
There are 80 animals.
Step-by-step explanation:
Let the number of cats be 4x and the number of dogs be x.
4x = 64
x = 64 ÷ 4
= 16
Total no. of animals = 4x + x
= 5x
5x = 16 × 5
= 80
I believe that would be 38/55
Answer: 5.7
Step-by-step explanation:
Multiply the diameter by pi 3.14