Ryan is filling a box with 1-inch cubes. he filled the bottom layer as shown. ryan wants to completely fill the box.

how many cubes will ryan need in all?

a.
30

b.
37

c.
210

d.
214

a. the are of the rectangle is 18.25

b. 18.25 times two is 36.50

rae me : d

let's solve your equation step-by-step.

4x+2=2x+12

step 1: subtract 2x from both sides.

4x+2−2x=2x+12−2x

2x+2=12

step 2: subtract 2 from both sides.

2x+2−2=12−2

2x=10

step 3: divide both sides by 2.

2x

2

=

10

2

x=5

step-by-step explanation: