11 boys and 8 girls because you divide it in half the add 2 and subtract 1. That isn't the wy you are supposed to do it but it works and makes since in my head.
Answer:
117
Step-by-step explanation:
b1+b2÷2×h is the formula.
Just fill in the formula with the numbers you have.
12+14=26
26÷2=13
13×9=117
-73 i think it is i might be wrong
Answer:


Step-by-step explanation:
Write the system


Solve by Elimination.
multiply the second equation by -3.


Add the Equations.


Plug this back in one of the equations.


Answer:
I legit answered this its 6/10
Edit: y = -6/10x + 100
Step-by-step explanation:
Change in y over change in x
60/100
6/10