At thw movies, aaron buys popcorn for $5.25 and a bottle of water for $2.50. he pays with a $10 dollar bill. how much change should the aaro. recieve.(note: this is a question that my sister need with i already know the answer its nust that im doing this for fun thats all bit still just answer i dont think im going to come back i dont know)

Lance lived in portugal and brazil for a total of 14 months to learn portuguese. he learned an average of 130 new words per month when he lived in portugal, and an average of 150 new words per month when he lived in brazil. in total he learned 1920 new words. write a system of equations to represent the situation. use x to represent portugal, and y to represent brazil

Y+ 2/y is it a polynomial in one variable or not? and if so, why?

Awoman who is 64 inches with a shoulder width of 16 inches. write an equation relating the height h to the width w. find the height of a woman who has ashoulder width of 18.5 inches