Answer:
False
Step-by-step explanation:
Absolute value gives you a positive answer
(x+1)2-
=it is meant to be (x+1)2
=2(x) + 2(1)
= 2x +2
I think
Answer:
1. $67.72
2. It's correct.
Step-by-step explanation:
1.
bill: $68.89
discount: $10
tip: 15%
Calculate the total with the discount.
68.89-10=58.89
Now calculate 15% of that.
Convert 15% to decimal by dividing by 100

Multiply

Add this to the original amount.

----------------------------------------------------------------------------
Calculate 20% of 148.25
Convert 20% to decimals by dividing by 100

Multiply
This is how much they will tip.
Add this to the original bill;

You have $60.00.
Each CD (x) is $11.00.
11x ≤ 60
The number of CDs multiplied by the cost (11) has to be less than or equal to 60.
x ≤ 5.45
You can only buy 5 CDs.