Answer:
7
Step-by-step explanation:
area of parallelogram = l* h
91 = 13 * h
91/13 = h = 7 cm
Answer:
CO2
Step-by-step explanation:
Answer:
-and a -= a positive
Step-by-step explanation:
-8+-9=19
Answer:
I have solved it in elimination method if you need it in another method let me know.
Step-by-step explanation:
3x+y=21
-x-y=5
2x=26
x=13
-3×13-3y=15
y= -18