0.39+0.11= adding decimals

Atile pattern on a wall is made up of two identical parallelograms and three identical triangles. what is the area of the tile pattern ? what is the area of the tile pattern?

You eat 8 strawberries and your friend eats 12 strawberries from a bowl. there are 20 strawberries left. which equation and solution give the original number of strawberries?

What is the prime factorization of 23 ?me with this question