The cuboid has a width of 10 ma length of 16 m and a height of The roof has two sloping faces and two vertical and identical sides, ADE and The face DEFL slopes an angle of 15 to the horizontal and EDm

answer: 12x^2+6x

step-by-step explanation:

6x does not equal 24x. hope it works!

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."

$25 becasue a 10 increase would make it from 80 to 50