Phillip bought 12 used cds and dvds. cds cost $2 each, and dvds cost $3 each. he spent $31,not including tax. how many dvds did phillip buy?

he bought 7 dvds

Step-by-step explanation:

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step-by-step explanation:

because i said it is

for this pair of functions g(x)=x-2 and f(x)=|x| is (g o f)(a)= |a| -2

step-by-step explanation:

g(x)=x-2

f(x)=|x|

(g o f)(a)=?

(g o f)(x)=g(f(x))

(g o f)(x)=g(|x|)

(g o f)(x)=|x|-2

(g o f)(a)=|a|-2