PLEASE HELP!! :) Gilbert was thinking of a number. He doubled up it and added 5. What equation shows how to find his original number if the result was 29?

A. 2n + 5 = 29
B. 1/2n + 5 = 29
C. n + 5 = 1/2 29
D. 2n = 29 + 5

1. there are 25 students who started computer programming in elementary school and 25 students who started computer programming in middle school. the first group had a mean final project grade of 95% and the second group had a mean final project grade of 92%. the line plot shows the differences after 10 rerandomizations. determine whether the difference in the means of the two groups is significant based on the line plot. explain your answer.

Ab and bc are tangent to circle d. find x is ab = 3x + 8 and bc = 26. find x

72 the length of a side of a triangle is 36. a line parallel to that side divides the triangle into two parts of equal area. find the length of the segment determined by the points of intersection between the line and the other two sides of the triangle.