Do this make sense??

Quadrilateral wxyz is on a coordinate plane. segment yz is on the line x+y=7 and segment xw is on the line x+y=3. which statement proves how segments yz and xw are related

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

What is the value of x in this triangle? a. 53° b. 62° c. 65° d. 118°