Please help me. I will give brainless.

1.

3x+7x+2

=E.10x+2

when x=6

10*6+2

=62

2.

4y+5+2y

=A.6y+5

when y=3

6*3+5

=23

3.

9+x+4x

=E.5x+9

when x=8

5*8+9

=49

4.

8y+3+4y

=S.12y+3

when y=4

12*4+3

=51

5.

9x+5+x+8

=E.10x+13

when x=7

10*7+13

=83

6.

4y+8y+6+2y

=A.14y+6

when y=2

14*2+6

=34

7.

4x+2y+7x+3

=E.11x+2y+3

when x=3 &y=4

11*3+2*4+3

44

8.

8+3x+x+5y

=B.4x+5y+8

when x=8,y=5

4*8+5*5+8

=65

9.

9x+6y+5x+4y

=U.14x+10y

when x=7,y=9

14*7+10*9

=188

10.8+6x+4+8y

=H.6x+8y+12

when x=1,y=6

6*1+8*6+12

66

11.

3x+2y+4+9y

=H.3x+11y+4

when x=8,y=4

3*8+11*4+4

72

12.

4x+5y+7x+5+2y

=E.11x+7y+5

when x=2,y=3

11*2+7*3+5

=48

13.

9+8x+3y+3+5y

=C.8x+8y+12

x=7,y=5

8*7+8*5+12

=108

14.

x+6x+2y+1+9y

=F.7x+11y+1

when x=6,y=9

7*6+11*9+1

=142

15.

6x+2y+5y+7+y

=H.6x+8y+7

when

x=8,y=1

6*8+8*1+7

=63

16.

8x+8y+x+6y+4x

=S.13x+14y

when x=1,y=2

13*1+14*2

=41

17.

3x+8+4y+7+3x

=C.6x+4y+15

whenx=9,y=6

6*9+4*6+15

=93

the answer is a

step-by-step explanation:

relating to or denoting a system of numbers and arithmetic based on the number ten, tenth parts, and powers of ten.

it alot will look like this 4.4