Answer:
B. 40
Step-by-step explanation:
p is the opposite of 140.
180 - 140 = 40
Brand A costs $2 per ounce, B is $1, C is $0.50(?) I think
Step-by-step explanation:
problem → 2^x = 4, solve for x
⇒2^x=4
⇒2^x=2^2
⇒x=2
Answer
Find out the how long did they rest in 8 hours.
To prove
As given
contestants in a dance-a-thon rest for the same amount of time every hour.
A couple rests for 25 minutes in 5 hours .
As
25 mintues = 5 hours

1 hours = 5 mintues
Thus in 1hours a the dance -a-thon rest for 5 mintues.
Now for 8 hours.
8 hours = 8 × 5 mintues
= 40 mintues
Therefore in 8 hours a dance-a-thon rest for 40 mintues.
Radius times 2 = diameter which would be 10 times 3.14 is 31.4 so it’s 31.4