Answer:
Step-by-step explanation:
From the question we are told that:
Number of Factor study 
Level 
Sample size 
Generally the umber of participants needed for the study is mathematically given as
If center A is at the point (h, k), the formula for the circle is r^2 = (x-h)^2+(y-k)^2, where r is the radius of the circle
Answer: Area for trapezoid= 1/2(4+5×1)=4.5 m
Area of triangle= Iam not exactly sure
hope this helped you a bit
Step-by-step explanation:
-5x + 2 > -38
-5x > -40
x < 8
-5x + 2 < -8
-5x < -10
x > 2
so the inequality becomes
2 < x < 8
so the graph will be a straight line with open circles on 2 and 8 and shading in between these values.
