Answer:
D
Step-by-step explanation: because W in the equation is the number of weeks she paid for the self defense class. and the 12.50 would be the registration fee because that is added on top of the number of 40w.
40w + 12.50 = 492.50
-12.50 -12.50
40w = 480.00
w = 12 which is how many weeks she paid
the equation is y=0.5x-2
19
Step-by-step explanation:
ok is this just a joke?
nine plus ten
9 + 10 = 19
The number of musicians in the school is 3 times the number of athletes
