Normally, I would say that PC (with the line over it) would mean point P to point C, but I do not see point P on the image. Is that the part you don't understand? There being no P?
X + (x+10)= -21
x^2 + 10x + 21 = 0
(x+7)(x+3)=0
x= -7 x= -3
Answer:
Step-by-step explanation:
nah man. i dont get it either
Answer:
18 quarters
Step-by-step explanation:
F(x)=(4)2-1+2
=8-1+2
=8-3
=5
f(x)=4(1)-1+2
=4-1+2
=4-3
=1
