Write an equation to model the sum of the situation below. "A hydrogen atom has a zero charge because it has bne negatively charged
electron and one positively charged proton."

ASA

Yuri, sam and dani had the same math homework last night, but none of them finished it. yuri finished 3/8 of her homework, sam finished 4/6 of her homework and dani finished 1/2. who finished the most math homework? who finished the least amount?

Ineed to know the answer right now! !

Donald has x twenty-dollar bills and 11 ten-dollar bill. how much money does donald have? write your answer as an expression.