You just find out what the missing variable is by subtracting 88 from 107 on the first one. You do the same for the last too as-well, but just insert the numbers that they say.
Happy Friday!!
1 Simplify
<span><span>2300−2500+3300−2600+6250</span>
2 Simplify
<span><span>6,750
I hope this helps.
Have a awesome day. :)
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Your final answer is going to be 4r + 3r ^2 +7
36,000 wing beats
60 sec= 1 minute 60*3=180sec/3minutes
180*200=36,000