Answer:
ab+xy−5
Step-by-step explanation:
yx+ab−5 = xy+ab+−5
Simplify-
ab+xy−5
<span>Whenever two chords intersect in a circle, the products of their segments are equal.</span>
Source:
http://www.1728.org/circangl.htm
Answer:
(A) 
Step-by-step explanation:
The area of a parallelogram is the same as the area of a rectangle which is A=bh where b is the base and h is the height. Therefore, Erica can use the expression
to find the area of the parallelogram.
Answer:
I think it's C
Step-by-step explanation:
Hope it helps