Alguem sabe a resposta?

3 (x+y)

-3(2+8)

x (x-y)

2xy(x+y)?

Movie $5.50 soda $1.75 popcorn $2.25 candy bar $1.10 jeffrey left home with $20 in his wallet. he had a quick lunch that cost $8.47 and went to the movie theater. which of these activities can jeffrey do? a) go to movie and take two friends b) go to movie and have a soda, a popcorn and a candy bar c) go to movie, take a friend, and have a popcorn to share d) go to a movie, have 2 popcorns, 2 sodas, and 2 candy bars eliminate

Answer this question only if you know the answer! 30 points and

What effect would doubling all the dimensions of a triangular pyramid have on the volume of the pyramid? explain your reasoning.