Answer:
Explanation:
cross multiply
divide both sides by 2
isolate variables
simplify
divide both sides by -6
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
factorisation
Yes
One is 17.22 and the other is simply 2.