Find the sum. 1/2 - 4/9 =?

What is the order of these fractions from least to greatest 2/3 7/10 5/8 65/100

Can someone me find the original price? the discount is 5% and the sale price is $68.40

Plzz ! if you were constructing a triangular frame, and you had wood in the length of 4 inches, 4 inches, and 7 inches, would it make a triangle? would you be able to create a frame from these pieces of wood? yes or no? = explain your mathematical thinking/show your work: