4=4
4-4=4-4
2²-2²=2²-2²
(2+2)(2-2)=2(2-2)
2+2=2
4=2
what is wrong?

Bob is putting books on a shelf and takes a break after filling 18 1/2 inches on the book shelf. the book shelf is now 2/3 full. how long is the entire bookshelf?

The four students in the table below each recorded the time and distance traveled while exercising. exercising distance (miles) time (minutes) gia 2 30 harris 5 50 ian 3 40 jackson 4 80 which list ranks the students from fastest walker to slowest walker? jackson, gia, ian, harris harris, jackson, ian, gia harris, ian, gia, jackson jackson, harris, ian, gia

If f(x) = 3x-2 and g(x) =2x+1 find (f-g)(x)