1. what inequality represents the sentence?

the product of a number and 12 is no more than 15.

12n < 15
12n > 15
12n ≥ 15
12n ≤ 15

12n ≤ 15

Step-by-step explanation:

In equality,

a < b = a is less than b,

a > b = a is greater than b,

a ≥ b = a is greater or equal to b,

a ≤ b = a is less or equal to b,

Here, the given phrase,

The product of a number and 12 is no more than 15.

⇒ The product of a number and 12 is less than equal to 15,

If n represents the number,

∵ Product of n and 12 = 12,

⇒ 12n ≤ 15

Which is the required inequality.

it is a. 4.2 because 7.6-3.4 gets the remaining length of 4.2. i might be wrong but i am pretty sure this is the answer.