It also detects if you are right or wrong

A.

Step-by-step explanation:

1 x Z still equals Z. Whenever a number is multiplied by 1, it still equals the same number because it has not been changed.

1x = x

So, really the equation is asking x + 2 = y.

Row 1)  0 + 2 = 2

Row 2)  2 + 2 = 4

Row 3)  4 + 2 = 6

d (5 x (-20)) * (100 x (0.7))

step-by-step explanation:

5÷1/100 * -.7 *-20

copy dot flip

5*100 * -.7 *-20

rearrange

5*-20   * 100 *-.7

-100   *-70

7000