I need some explanation of Demorgen's laws.

Specifically, a method for memorizing the laws.

3x+4y=2 4x-4y=12 elimination

Carol has $262.10 in her bank account, and she needs to make two deposits today. One deposit is $5.30, and the other one is $12.30. How much money will she have in her account after she makes a deposit?

What is the formula for the area of a hemisphere?

Laree is buying a car that costs 4,155. she has 1,575 and will borrow the rest from her parents. will payments of 225 per month pay off her loan in one year

Look at these equations a=b+12 b=c+4 write an equation to show the relationship between a + c

How do we know that it's a parallel line

The Rivera family drove 267.9 miles from their home to Cape Cod, Massachusetts. They used 9.5 gallons of gas. How many miles per gallon of gas did they get on the trip?

What is the product? - 3 4 2 - 5 3 - 2 1 0

Sahir took 1 h 22 min to do his english homework 45 min to do his maths homework, and 10 min to do his urdu. How long did he take to complete all his homework?

Y=3x-16 rate of change?