Answer:
(50-10) ÷ (3+2)
Step-by-step explanation:
Plug in -6 for a and -5 for b
3(-6)^2 - 4(-5)
3(36)+20
108+20
=120
7 hours X 60 minutes = 420 minutes
420 minutes + 20 minutes = 440 minutes
Answer:
8 cents
Step-by-step explanation:
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Answer:

Step-by-step explanation:
Let P% of the transaction amount is charged in the account.
So, if the transaction amount is x, then the charge for that transaction will be
.
Therefore, if f(x) represents the amount Isabel is charged for the transaction then we can write
, where P% is the rate of charge. ( Answer )