0.69 is an integer true or false

Help I have no idea what to do

false

Step-by-step explanation:

An integer is a whole number and 0.69 is not a whole number.

b) the dogs need to shift their focus to human scent.

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