28. algebra in three months, harold
watched a total of 40 movies. if he
watched 12 movies in june and 13
movies in july, how many movies did he
watch in august? write an equation using
the variable a to model your work.

341

step-by-step explanation:

all you have to do is 9x31 (which equals 279) and then 20x31 (which equals 620). then you have to subtract. 620-279=341.

answer: do we write it

step-by-step explanation:

in geometry, parallel lines are lines in a plane which do not meet; that is, two lines in a plane that do not intersect or touch each other at any point are said to be parallel. by extension, a line and a plane, or two planes, in three-dimensional euclidean space that do not share a point are said to be parallel.