If 7 times a number is equal to 7 plus that number which of the following represents the equation needed to determine what that number is? a) x+7x=7 b) 7x=7 c) 7+x=7 d) 7x=x+7 e) 7(x+1)=7

The isosceles triangle has two sides of equal length, a, that sre longer than the length of the base ,b. the equation 2a+b=15.7 can be used to find the sides length. if one of the longer sides is 6.3 centimeters what is the length of the base

Me with this one question, and i'll upvote the brainliest answer

Aperpendicular bisector, cd is drawn through point con ab if the coordinates of point a are (-3, 2) and the coordinates of point b are (7,6), the x-intercept of cd is point lies on cd.