Tính I =Dydxdyx2+ y2, với D là miền 2x ≤ x2+ y2≤ 4; x ≥ 0; y ≥ 0.

Select a graph that have an equation with a < 0

Arecipe calls for 32 fluid ounces of heavy cream.how many 1 pint containers of heavy cream are needed to make the recipe?

Dean and karlene get paid to write songs. dean is paid a one-time fee of $20 plus $80 per day. karlene is paid a one-time fee of $25 plus $100 per day. write an expression to represent how much a producer will pay to hire both to work the same number of days on a song.