My estimated answer for 1 is x=1.59 or x=-1.26 and my exact answer is (in word form) x= 1 plus or minus the square root of 73 over 6. my estimated answer for 2 is x=-0.34 or x=1.74 and my exact answer (in word form) is x= -7 plus or minus the square root of 109 over -10. I took a picture of my work and hopefully you can read it
Step-by-step explanation:
Circumference (C):

Area (A):

It would be 96 because V=(9)(32)= 288/3=96
Answer:
C. 4.09 m
Step-by-step explanation:
Let the length of the shadow cast by a person be x m.

Here is the equations in standard form