On Tuesday Eduardo bought nine boxes. On Wednesday half of all the boxes that
he had were destroyed. On Thursday
there were only 19 left. How many did he
have on Monday?
write an equation

Will mark brainliest question in the pic.

Which solid has two triangular bases and three lateral faces, each in the shape of a rectangle? triangular prism triangular pyramid rectangular prism rectangular pyramid

Gretchen is setting up for a banquet. she has 300 chairs and needs to distribute them evenly among t tables. how many chairs should she put at each table? write your answer as an expression.