The train is traveling at 165 mph
495/3=165
825/5=165
1155/7=165
1485/9=165
Answer:
slope is 0
Step-by-step explanation:
Find the prime factorization
45=3*3*5
60=2*2*3*5
GCF=3*5=15
45=3*15
60=4*15
remember
ab+ac=a(b+c) so
45+60=15(3)+15(4)=15(3+4)=15(7)=105