What is the value of log39?

Angle xyz is formed by segments xy and yz on the coordinate grid below: a coordinate plane is shown. angle xyz has endpoints at 3 comma negative 1 and 6 negative 2 and 3 comma negative 3 and measures 36.87 degrees. angle xyz is rotated 270 degrees counterclockwise about the origin to form angle x′y′z′. which statement shows the measure of angle x′y′z′?

The measures of the legs of a right triangle are 15m and 20m . what is the length of the hypotenuse

According to the general equation for conditional probability if p(anb)=3/7 and p(b)=7/8 what is p(a i b)