A)If the order of the speakers is important, we have 20x19x18x17, or 116,280 different options.
b) If order is not important, then we have 20 choose 4, or 4845 different slates. ☺☺☺☺
Answer:
maybe if u translate it in English
Step-by-step explanation:
it wouldv been helpful if u mind?
Answer:
100 AND 300
Step-by-step explanation:
Its not one of the choices. its 5x+16
Let h be the price of the helmet (not hemelt). Then 0.05h= $1.50.
To determine the price of the helmet, divide both sides of this equation by 0.05:
h = $30
The helmet is $30 before sales tax is applied, and $31.50 with tax.