The sum of 13 and twice a number is seven less than six times a number. what is the number

Aline parallel to a triangle's side splits ab into lengths of x - 5 and x + 2. the other side, ac, is split into lengths of x and x + 12. what is the length of ac? a) 12 b) 24 c) 36 d)

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?

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