Sam and odel have been selling frozen pizza for a class fundraiser. sam has sold half as many pizzas as odel. together they have sold a total of 126 pizzas. how many pizzas did sam sell?

An arrow is shot vertically upward at a rate of 180ft/s. use the projectile formula h=−16t2+v0t to determine at what time(s), in seconds, the arrow is at a height of 420ft. round your answer(s) to the nearest tenth of a second.

20 solve 2(4 x + 3) < 5 x + 21. a) { x | x < 9} b) { x | x > -5} c) { x | x > -9} d) { x | x < 5}

2/3(-6y+9x) expand each expression using the distributive property