Answer:
Step-by-step explanation:
a.
4 people can be selected in ways=12 P4=12×11×10×9=11880
b.
4 women can be selected in ways=7P4=7×6×5×4=840
c.
3 (k-12) = k-30
3k - 36 = k - 30
3k - k = -30 + 36
2k = 6
k = 3
Answer:
(.2)(15.75)=3.15
Step-by-step explanation:
Answer:
4 weeks
Step-by-step explanation:
2 1/4 = 9/4 = 2.25
if it grows 2.25 inches in one week then in two weeks it would have grown 4.5 inches
keep adding the 2.25 inches to 14 until u get 23
:) hope this was heplful
Answer:
4½ km
Step-by-step explanation:
2 cm= 1 km
1 cm= ½ km
4cm×2km = 8cm
8 cm (4 km) + 1 cm (½ km) = 9 cm
9 cm/ 4 ½ km
