He started with 42 cards.
27-6= 21
21×2= 42.
Hope this helps! :)
\(^ ◇^)/
Answer:
29
Step-by-step explanation:3*10=30
1*1=1
30-1=29
To find the inverse function simply replace "x" by "y", replace "y" by "x", and solve for y
f(x)=4x
y=4x
x=4y
y=x/4 or h(x)=(1/4)x
Math Sucks hahahahahahahahahahahahaha