If AB= 2x+ 4AB=2x+4, BC= 12BC=12, MN= 15MN=15, NK= 7NK=7 and KL= 12KL=12, what is the value of xx?

Plzzz maths ! quadratic sequences=an^2+c 1) 11,17,27,41,59 2) 7,16,31,52,79 3) 6,18,38,66,102 4) 0,9,24,45,72 5) 0,12,32,60,96

Select the number of ways in which a line and a circle can intersect

Afamily has five members. a mom, a dad, two sisters, & a brother. the family lines up single file. what is the probabillity that the mom is at the front of the line