What does a beat signify in musical notation? A.
a pitch in music
B.
a recurring pulse in music
C.
the tone in music
D.
the time signature

One of the inventors of integrated circuits observed that the number of transistors that fit on an integrated circuit will double every 24 months. what type of relationship most appropriately models this situation?

Factor the expression using the gcf. the expression 21m−49n factored using the gcf

Gabriel determined that his total cost would be represented by 2.5x + 2y – 2. his sister states that the expression should be x + x + 0.5x + y + y – 2. who is correct? explain.