Answer:
Step-by-step explanation:
Using formula 
a= 650
b= 800
and c is the unkown
Symmetric property of an Equality
Answer:
$162000
Step-by-step explanation:
8% of 10000
10000÷100=100×8=800
10000+800=10800
10800×15=162000
Answer:
= desaster
Step-by-step explanation:
Answer: 399=300+90+9
-45=0+40+5
300+130+14=414
Step-by-step explanation:
Expanded form is a way to write numbers by showing the value of each digit.