- 7th Grade Work -

Can someone please help me? I really need it.

so just add x to the first side

Step-by-step explanation:

for the expressions u need to just doo what it says

for the 5 less than x write X-5

for the times by two do x times 2

and so on

hope this helps

your answer would be b

step-by-step explanation:

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