Answer:
340 ft
Step-by-step explanation:
The steady drop rate of the temperature is 2, 8 p.m. to 4 a.m. is 7 hours. that would make the temperature at 4 a.m. is -6 f.
The value is 3 because x=3 right there! it's not even a question, just an answer!
#12 is 15 instructors because 145÷10= 14 with 5 left over. You need another instructor even though there are only 5 kids. 14+1=15