Two lines intersect at point b, which is also the endpoint of two rays. What is the measure of angle ABC

The answer is ""

Step-by-step explanation:

Please find the question image file in the attachment:

In this question, , that is made up of the two complementary angles that are 57 and 3x.

So, the equation is:

In :

BC=2x

put the value of x in above then

answer: i don't understand it

step-by-step explanation: sorry

answer: first option i.e. 'a' is correct.

step-by-step explanation:

since we have given that

number of minutes to wrap a small gift box = 4 minutes

we need to find the number of gifts to be wrapped in 5 minutes

since there is a direct variation, as the number of minutes will increase with   number of gifts to be wrapped.

so, let the number of gifts to be wrapped in 5 minutes be x.

so, it becomes,

hence, first option 'a'   is correct.