Answers for the 2 boxes :)

Step-by-step explanation:

Given

y = 2x + 1 i)

y = 3x +2 ii)

Putting equation II in equation i

3x + 2 = 2x + 1

3x - 2x = 1 - 2

x = -1

Now putting x = -1 in equation i

y = 2* (-1) + 1

= -2 + 1

= - 1

Therefore x = -1 and y = -1

Hope it will help :)

the surface area is 124cm²

step-by-step explanation:

length: 4cm

width: 9cm

height:   2cm