Evaluate the expression.

1.2 + 0.8 ÷ 4 – 3(0.7 – 0.81)

1.73

Step-by-step explanation:

1.2 + 0.8 ÷ 4 – 3(0.7 – 0.81)

1.2+0.8÷4−3×−0.11

1.2+0.2−3×−0.11

1.2+0.2−(−0.33)

1.2+0.2+0.33

1.4+0.33=1.73

Hope this helps, now you know the answer and how to do it. HAVE A BLESSED AND WONDERFUL DAY! As well as a great Valentines Day! :-)  

- Cutiepatutie ☺❀❤

720

step-by-step explanation:

first i did work 2nd i did work and 3rd i did work

56.6

step-by-step explanation:

the ratio of the perimeters is equal to the scale.

the ratio of the areas is equal to the square of the scale.

34 / 20 = k

a / 19.6 = k²

substituting:

a / 19.6 = (34 / 20)²

a = 19.6 (34 / 20)²

a ≈ 56.6