With this math ! 25 points
what is value of x? enter your answer in the box. x =
a triangle with vertices labeled as a, b, and c. side b c is the base. a line segment is drawn from vertex a to base b c that bisects angle b a c into two parts marked with single arcs. side a b is labeled as 8. side a c is labeled as 12. side b c is divided into two equal parts labeled as x plus 4 and 2 x plus 1.

here is the picture of the problem

Find the value of the variable and the length of each secant segment.

The number of chocolate chips in an 18-ounce bag of chocolate chip cookies is approximately normally distributed with a mean of 1252 chips and standard deviation 129 chips. (a) what is the probability that a randomly selected bag contains between 1100 and 1500 chocolate chips, inclusive? (b) what is the probability that a randomly selected bag contains fewer than 1125 chocolate chips? (c) what proportion of bags contains more than 1225 chocolate chips? (d) what is the percentile rank of a bag that contains 1425 chocolate chips?

During a bike challenge riders have to collect various colored ribbons each 1/2 mile they collect a red ribbon each eighth mile they collect a green ribbon and each quarter mile they collect a blue ribbion wich colors of ribion will be collected at the 3/4 markrer