The perimeter of each is the sum of the lengths of its sides.
Triangle Perimeter = 16 + 4x-3 +3x = 7x+13
Square Perimeter = 2x +2x +2x +2x = 8x
If these are equal, you have

The length of a side of the square is 26 units.
The domain of 13/x - 11 is all real numbers except x cannot equal zero
Answer:
2 dimes, 1 nickel and 3 quarters.
Step-by-step explanation:
The price of 2 postcards is $1. Any combination of coins that adds to $1 will work here. Remember, a penny is worth 0.01, a nickel is worth 0.05, a dime is worth 0.10, and a quarter is worth 0.25.
Adding 2 dimes, 1 nickel, and 3 quarters would be 2(0.10)+1(0.05)+3(0.25)=1.
Answer:
The horizontal line is the x axis
the vertical line is the y axis
The first number is always the number of the x axis
Example.
(6,9)
6 is in the x axis
9 is in the y axis
find the number 6 in the x axis (the horizontal one) and then go up until the number 9.