1- find the first term= ?, 90, 540, 3240

2- find the first term= ?, 32, 128, 512

please help

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

the correct answer is x/3+10≥32

hope this !

answer: this is not a question

step-by-step explanation: this is a answer