Can someone please help.

Step-by-step explanation:

Vectors are parallel if they point in the same or opposite directions.  In other words, they have the same slope.

Part A.

m₁ = 1 / √3

m₂ = -1 / -√3 = 1 / √3

The vectors are parallel.

Part B.

m₁ = 3 / 2

m₂ = -2 / -3 = 2 / 3

The vectors are not parallel.

walter needs to make at least 5 more cookies but no more than 40. 5 ≥ x ≥ 40;

step-by-step explanation:

walter has to make a minimum of 20 cookies. he already has 15 cookies made, so he must make 5 more to meet the minimum.

the maximum amount of cookies he can make is 55. he already has 15, so he has to make no more than 40 more cookies to meet the maximum.

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.