Acamper wants to know the width of a river. from point a, he walks downstream 90 feet to point b and sights a canoe across the
river. it is determined that a = 23°. about how wide is the river?

The system of equations graphed below has how many solutions? y = 2x + 2

Abby is preparing fruit punch for her party. she starts with a bowl filled with liquid that has 1/2 fruit juice and 1/2 sprite, but she decides it's too fruity. so she pours out 1/4 of the liquid, and then fills the bowl up again with sprite. what fraction of the punch is now sprite?

Simply 8x squared + 5(7x squared- x) - 2x =