(y-4) (y-3)
you look at 12 and see what two factors of 12 add up to -7 and -4 times -3 is 12 and -4+-3 = -7
Answer:
134
Step-by-step explanation:
455-321=134
Answer:
1 : 2,000,000
Step-by-step explanation:
1cm : 20 km (recall 1 km = 100,000 cm)
1cm : 20 x 100,000 cm
1cm : 2,000,000 cm
hence scale is 1 : 2,000,000