Answer:
0
Step-by-step explanation:
19z-19z=0
this is because z is always equivalent to itself, and therefore 19z is equivalent to 19z
When you subtract two numbers that are equivalent, you will always get 0
Answer:
Step-by-step explanation:
hmmm... i would say that the days are uneven. that's all i got.
40%= $41.97 + 40%=$41.97 = 83.94
that is 80%now to find the 20% i dividied the 40% which is $20.98 so then I added the 80% and 20% which is $104.92
so the original price is $104.92
40%=83.94
+
40%=83.94
+
20%=20.98
=104.92
Answer:
s for length of either equal side
b for the unequal side
b=-2+2*(s+s) and 2s+b=40
b=2*2s-2
b=4s-2
2s+4s-2=40
6s-2=40
6s=42
s=7
b=4*7-2
b=28-2
b=26