Answer:
1.) -8 2.) 10 3.) -y. 4.) -3x. 5.) 34a
Step-by-step explanation:
im pretty sure these are right. i don't really know how to explain my answers cause it's a pretty easy concept
Answer:
c) (7, 9)
Step-by-step explanation:
Simply add the corresponding coordinates.
Area=84 m^2
area of the triangle= 1/2*4*7=14
the area of the other triangle is also 14.
area of rectangle=8*7=56
56+14+14=84 m^2