9. What is perfect pitch? a. The ability to accurately identify a piece
of music without seeing the title.
b. The ability to accurately throw a ball to
a batter.
c. Knowing the pitch of a note without
playing it first on an instrument.
d. The ability to identify a rest without
hearing a piece of music.

s

step-by-step explanation:

he has 140 chickens because he has 10 times more chickens than ducks and he has 14 ducks so 14*10=140

the answer is  

a.

28 ft2

step-by-step explanation:

mrbilldoesmath!

answer: a parabola

steps:

(x-1)(x+4)   = x(x+4) - 1(x+4) = (x^2 + 4x) - (x+4)

                = x^2 +4x -x -4   = x^2 +3x -4

which is a parabola

mrb