Answer:
y=X(2.15)
or
y=X x 2.15
Step-by-step explanation:
y is the total cost of bookmarks in the equation while X is how many book marks times the price of one book mark which is 2.15
it the third one
The area of triangle is
=21×height×base=21×3×4=3×2=6 cm2
the answer for the question is b! :)
