25-16=9
9+23=32
He had 32 CDs to begin with
Answer for no.9:
144.5cm^2
Step-by-step explanation:
base of triangle = 34cm-17cm
=17cm
Area =bh/2
=17cm×17cm/2
=289cm^2/2
=144.5cm^2
114°+x°=180
Subtract 114° for both side
x=66°. Hope it help!
Answner:
negative
Step-by-step explanation:
I hope it can help.