Which model represents this word problem? Pablo read 7 pages of his book. There are 13 pages left. How many total pages are in his book?

HELPP IM TRYING TO HELP MY FRIEND !! :(
i think its the first one but im scared to hit it

it is the first one

Step-by-step explanation:

because I used my brain and its correct

the first one is correct i believe

if x decreases by 4 then y increases by 10

step-by-step explanation:

answer: option a.

step-by-step explanation:

you know that the quadrilateral opqr ( a four sided figure) is inscribed in circle. this means that all its vertices are on the circle.

then, by definition, the opposite angles of the quadrilateral are supplementary, this means that the sum of their measures is 180 degrees.

you can observe in the figure that the angles ∠opq   and the angle ∠orq   are opposite, therefore:

then, can be used to d to calculate the measure of ∠opq