Answer:
138
Step-by-step explanation:
p(x) = 3x^4 + 2x^3 − 4x^2 + 21
Let x = 2
p(2) = 3*(2)^4 + 2*(2)^3 − 4*(2)^2 + 21
= 3*16+2*8-4*4+21
=48+16-16+21
= 69
This is per girl
There are 2 girls
2 * 69
138
Answer:

Step-by-step explanation:
Represent:
Phil's height with P
Suzanne's height with S
Phil's shadow with P1
Suzanne's shadow with S1
So, we have:



Required
Calculate the length of Phil's shadow --- Missing part of question
To do this, we make use of the following equivalent ratio.

Convert
to cm



Substitute values for P, S and S1

Express as fraction

Make P1 the subject





<em>Hence, the length of Phil's shadow is 24 cm</em>
Answer:
im confused please explain better
Step-by-step explanation: