Answer: idk dont know need more info
Step-by-step explanation:
Answer:
I think this is the right answer but last two signs are incorrect
Hope this will help
Answer:

Step-by-step explanation:
This half life exponential decay equation goes by the formula:

Where

Since half life is given as 22, we plug that into "Half-Life" in the formula for k and then plug in the formula for k into the exponential decay formula:
So,

Now

third choice is correct.
Answer:
245
Step-by-step explanation:
-6 cows produce 35 gallons
6 x 7 =42
so 7 x 35 = 245
Answer:
24 picture frames
Step-by-step explanation:
Since a student takes 1/6 hour to paint a picture frame, so in an hour, the student will paint a total of 6 picture frames. So to find the number of picture frames in 4 hours, you just need to multiply 4*6 to get 24 picture frames.