Answer:
Step-by-step explanation:
Sample more families
sample families that have children who are not in seventh grade
sample families whose answer to the survey question is predetermined
R = _/A/4pi. where that sign before A is square root and pi means pie
Answer:

Step-by-step explanation:
First, find the area of the bigger shape. Then, separately, find the smaller shape's area. Subtract the smaller one by the big boi, and you'll get the area of the shaded area. You can count the little squares too.
12*8=96
4*6=24
96-24=72
No.
Answer:
The value of x can be 5 or 2
Step-by-step explanation:
In given triangle ABC
Interior Angle A = 
Interior Angle B = 
Exterior Angle I = 
We know that
Exterior Angle of triangle is summation of corresponding opposite angles
Angle I = Angle A + Angle B






Answer: -6<x<5
Step-by-step explanation:
Given
Length is 3 m more than three times the width
Suppose width is x
So, the length is 3x+3
The area of a rectangle is 
Area= 
