Need Help quickly ASAP Gerry had 1000 flowers.

In the first week he sold 33⁄100
In the second week he sold 40⁄100

What fraction of the original flowers does Gerry have left?

The ratio pv to nrt is plotted against pressure for ch4 at 0°c and 200°c. why does the curve for 0°c drop below the horizontal line for an ideal gas whereas the curve for 200°c does not?

Yoku is putting on sunscreen. he uses 2\text{ ml}2 ml to cover 50\text{ cm}^250 cm 2 of his skin. he wants to know how many milliliters of sunscreen (c)(c) he needs to cover 325\text{ cm}^2325 cm 2 of his skin. how many milliliters of sunscreen does yoku need to cover 325 \text{ cm}^2325 cm 2 of his skin?

Solve 3x-18=2y and 5x-6y=14 by elimination or substitution . show all !