How do you right 0.4 (repeating decimal) as a fraction in simplest form? Also could you do 0.21 (repeating decimal)

Wyatts room is a rectangle with the perimeter of 40 feet

9+10= A. 19 B. 21 C. 9 D. 10

There is water vessel with comparison of length:wide:tall that it is 4:3:7 The total of the wide and tall is 150cm How many volume the vessel is?

What is the equation 19-6 (-k-2) ?

Lakeisha has 3 5/8 yards of fabric. She wants to make a dress that requires 2 1/2 yards of fabric. How much fabric will she have left over?

Use prime factorization to find the gcf of 24,48

Find the median of 3,7,2,9,4,7,3,7,5,2

4x-4=4x + what equals no values of x

Rena spent 6 days reading her book completing the same fraction of the book each day, she read a total of 8/9 of her book what fraction of her book did she complete in 6 days?

Find a 15% tip on a restaurant bill of $32.60.