Yoko received a $80 gift card for a coffee store. she used it in buying some coffee that cost $8.17 per pound. after buying the coffee, she had $47.32 left on her card. how many pounds of coffee did she buy?

The system of equations graphed below has how many solutions?

Need this asap if anyone can i would be very grateful. if you could show workings that would really

Aswimming pool is a rectangle with semicircles on the end. the rectangle is 12 meters wide and 30 meters long. the diameter and width of the swimming pool are equal. sketch and label an overhead diagram of the swimming pool. find the area of the swimming pool floor.