Help me or black jesus will be under your bed at 3:00 am A number line is shown below. The numbers 0 and 1 are marked on the line, as are the two other rational numbers a and b

Will a - 1 be positive or negative? explain.

d

because parallelagram have all 4 angels the same size dependeing and a rectangle and square are oth parallelogram

there is only one way to arrange all the eight relative to each other because they are not distinct. we have

now there are nine places to place an (and not more than one in one place).   because we have four symbols, we need to choose four of these nine places to insert an . order does not matter because the are not distinct.

thus there are 1 · c(9,4) ways, or, if we calculate it,

thus there are 126 ways to form such "words."

7x7=4 so if u carry the 9 it will be 33