Answer:
Step-by-step explanation:
Step 1: Convert into improper fractions
Step 2: Find least common denominator and find equivalent fractions
Step 3 : Do the required operation

Least common denominator of 2 , 4 = 4

Answer:
D.
Step-by-step explanation:
I don't actually know I'm guessing.
You could sort them by there sides. So you count how many sides the figure has. Then it would be split up by two groups. One with with 4 sides and 1 with 3 sides.
Answer: x > 2
Step-by-step explanation:
First, you need to isolate the variable by subtracting each side by 15.
4x + 15 > 23
-15 -15
= 4x > 8
To get the value for the variable, divide each side by 4.
4x/4 = x 8/2 = 2
x>2