There are 5 people in the brass ensemble, and
each person plays a different instrument. all of the
musicians want to play a piece with someone who
plays a different instrument. the instruments are
trombone, cornet, sousaphone, french horn
and tuba. which list contains all the instrument
combinations?

Abacteria population is tripling every hour. by what factor does the population change in 1/2 hour? select all that apply

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?

Given the system of equations presented here: 2x + 4y = 14 4x + y = 20 which of the following actions creates an equivalent system such that, when combined with the other equation, one of the variables is eliminated? multiply the second equation by â’4 to get â’16x â’ 4y = â’80 multiply the second equation by â’1 to get â’4x â’ y = â’20 multiply the first equation by 2 to get 4x + 8y = 28 multiply the first equation by â’1 to get â’2x â’ 4y = â’14