9+5y is the correct answer
Answer:
SA=276
Step-by-step explanation:
Formula for rec. prism= 2(lw)+2(hl)+2(hw)
220 = SA for the bottom rectangular prism
56 = SA for the top figure
220+56=276
SA=276cm
Answer:
The dialation is of 2
Step-by-step explanation:
QR = 3 units
QS = 2 units
RS = 2 units
Q'R' = 6 units
Q'S' = 4 units
R'S' = 4 units
So as you can see, this triangle has doubled it's size, since it has been multiplied by 2.
Hope this helped!
Have a supercalifragilisticexpialidocious day!
Answer:
7.68
Step-by-step explanation:
Just add them :)