Answer:

Step-by-step explanation:
Given Data,
Q=23000 J
c=4.184 J/g °c
Δt= 68 °c
m=?
By using this equation,
Q=mcΔt

Answer:
Step-by-step explanation:
If you have a calculator do pie times radius squared times height. So basically pie times 25 squared times 40
Answer:
a= k/4+9b
Step-by-step explanation:
hope this helps, if not let me know!
Y= 13x+4x
y equals the amount of money spent