Apair of vertical angles has measures (2z+43)° and (−10z+25)° . what is the value of z? vertical angles = each other (2z+43)° = (−10z+25)° − 3 2 − 11 4−31

(2z+43)=(-10z+25)
-2z         -2z
43=-12z+25
-25       -25
18=-12z
z=-1.5

So Z=3/2

One shot. if 60% of 10 is 6, then what is 70%? we know it would be seven (since 60% is mathematically 60/100, or 6/10, then 70% is 70/100, or 7/10) but we can check anyway using ratios: 6 : 60% = x : 70%*inverse multiplicationx * 60% = 6 * 70%*divide both sides by 60%x = (6 * 70%) / 60%x = 7and since he has made 6 shots already, he would need just one more to get 7 shots or 70%. if the explanation is too confusing, comment and i will try to