Eur you are
arranging 60 pictures on a poster
board. the board can fit up to 4
rows of pictures, and each row can
have up to 20 pictures. you want
each row to have the same
number of pictures. how many
different ways can you arrange the
pictures?

t = 3

step-by-step explanation:

put t = 3 in this expression :

(3²-1)(3²-2)(3² - 3)(3² - 4) = 8×7×6×5 = 56×30 = 1680

it would be 6xy and -16xy.

answer: do we write it

step-by-step explanation:

the answer is (-8,-5)

step-by-step explanation:

the endpoint to midpoint is half the length. the length is (-2,-1) so when you are at the midpoint just add it to it to find your answer -6+(-2)= -8 and -4+(-1)=-5 so (-8,-5)