Answer:
i'm pretty sure it is C..
Step-by-step explanation:
Her favorite numbers are 8 and 18.
8 + 18 = 26.
8 * 18 = 144.
x⁴+3x³-4x²=0
x²(x²+3x-4)=0
x²+3x-4=0
x²+4x-x-4=0
x(x+4)-1(x+4)=0
(x+4)(x-1)=0
x=-4 or 1
x can't be negative
therefore x=1
x+4=1+4=5
linear
first
1.57
1.57x
1/10
6/10 is more than 1/10 bc 6 is bigger than 1 :)