First of all, we start with the input 
Then we double it: 
Then we add 5 to this result: 
And this is the output: 
Answer:
15 days
Step-by-step explanation:
Since he used both of the weights today, he will only do both on the day they come together.
weights: 3 days, 6 days, 9 days, 12 days, 15 days
machine: 5 days, 10 days, 15 days
Because the numbers both were the same on 15 days, then that is when he will do both of them
Answer:
total rainfall during three months :-

Explanation :
here's the solution :-
=》rainfall in March =

=》rainfall in April =

=》rainfall in May =

Total rainfall during these three months :-
=》

=》

=》

=》

so, total rainfall during the three months is 1.41 inches
Answer:
X=4
Step-by-step explanation:
13 less than 17 would be 4 becayse if you do 17-13=4
Answer:
23
Step-by-step explanation:
With f(4), we plug 4 into the function.
f(4) = 4² + 7
f(4) = 16 + 7
f(4) = 23