Answer:
Width = 9 km
Step-by-step explanation:
Area is length*width, so to find the width, you divide the area by the length. 63/7 is 9.
Answer:
It is a 50% chance that both cookies are sugar cookies.
Step-by-step explanation:
1st week= 20 walls
2nd week= 20+20=40 walls
3rd week= 20+20+20=60 walls
4th week= 20+20+20+20=80 walls
Therefore, in 4 weeks 80 walls in total will be painted
Answer:
=21x2−13x+8
Step-by-step explanation:
=3x(7x−4)+−1(x−8)
=3x(7x−4)+−1x+(−1)(−8)
=3x(7x−4)+−x+8
Distribute:
=(3x)(7x)+(3x)(−4)+−x+8
=21x2+−12x+−x+8
Combine Like Terms:
=21x2+−12x+−x+8
=(21x2)+(−12x+−x)+(8)
=21x2+−13x+8
