The answer is option A
Step-by-step explanation:
Thirteen less than a number is written as
n - 13
Equate it to 42
We have
n - 13 = 42
Hope this helps you
Answer:
option 2
Step-by-step explanation:
please so it
3
4
4
3
5
4
Write and solve the appropriate exponential equation:
228 = 16(r)^4, where r is the change per hour in the number of bacteria:
228
------ = r^4 = 14.25.
16
Taking the fourth root of both sides, we get: r = 1.94 (answer)
Multiply top equation by -2, then add equations so b drops out....solve for a...plug in a to get b
Do you have notes so I can look at them to help you? Cause I pretty good at math but I need the notes.
