Find the surface area of the rectangular prism.

A=2(wl+hl+hw)

A

=

2

(

w

i

d

t

h

×

l

e

n

g

t

h

)

+

2

(

l

e

n

g

t

h

×

h

e

i

g

h

t

)

+

2

(

h

e

i

g

h

t

×

w

i

d

t

h

)

here is a big fat

the answer is "add 2y and y"

step-by-step explanation:

you need to collect the like terms first.