Answer:
with what?
Step-by-step explanation:
<span>−8x+7y=25 is already in standard form, altho some people would prefer to re-write it as
</span><span>−8x+7y-25 = 0.
You have shared 4 equations here. Next time, please separate them with commas or semi colons, or type just 1 equation per line, for increased clarity. Thanks.</span>
Answer:
21
Step-by-step explanation:
21-12=9
Answer:
1st one
Step-by-step explanation:
A healthy 140 pound boy needs between 2,000 to 2,400 calories a day.
Hope that helps :)