10 equal slices of pizza what percentage did sally and two friend have if they all had thee slices

When 142 is added to a number the result is 64 more then 3 times the number. option 35 37 39 41

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

The police chief wants to know if the city’s african americans feel that the police are doing a good job. identify the management problem (i.e dependent variable) and identify the independent variable.