7.1A: 7.18 7.1 4. On Monday, a middle school
principal asked the first 100 students
who arrived at school if they walked
to school. The table below shows the
results of the principal's survey.
Do You Walk to School?
Answer
Frequency
82
Yes
No
18
Based on the results shown in the
table above, how many of the school's
850 students should the principal
expect to walk to school?

Part a what is the area of triangle i? show your calculation. part b triangles i and ii are congruent (of the same size and shape). what is the total area of triangles i and ii? show your calculation. part c what is the area of rectangle i? show your calculation. part d what is the area of rectangle ii? show your calculation. part e rectangles i and iii have the same size and shape. what is the total area of rectangles i and iii? show your calculation. part f what is the total area of all the rectangles? show your calculation. part g what areas do you need to know to find the surface area of the prism? part h what is the surface area of the prism? show your calculation. part i read this statement: “if you multiply the area of one rectangle in the figure by 3, you’ll get the total area of the rectangles.” is this statement true or false? why? part j read this statement: “if you multiply the area of one triangle in the figure by 2, you’ll get the total area of the triangles.” is this statement true or false? why?

Naomi’s parents want to have 50,000, saved for her college education, if they invest 20000 today and earn 7% interest compound annually, about how long will it take them to save 50 thousand

Ben is three times as old as samantha, who is two years older than half of michel's age. if michel is 12. how old is ben?