Answer:
BC=√7
Step-by-step explanation:
AC=4
AC=AH+HC
=3HC+HC
=4HC
HC=1/4AC=1/4×4=1
AH=3HC=3×1=3
BH⊥ AC
AB=AC=4
80
First find the markup
markup = 16 * 400%
= 16*4.00
= 64
Add the markup to the original price
new price = original price + markup
=16+64
=80
Rewrite as ;
the are of rectangle=x2+3x-10