Solve for d:
a + b = c - d

a) d= a+b+c
b) d= -a+b+c
c) d= -a-b+c
d) d= -a-b-c

The first-serve percentage of a tennis player in a match is normally distributed with a standard deviation of 4.3%. if a sample of 15 random matches of the player is taken, the mean first-serve percentage is found to be 26.4%. what is the margin of error of the sample mean? a. 0.086% b. 0.533% c. 1.11% d. 2.22%

Julian wrote the following numeric pattern on the board3,10,17,24,31,38.what numbers of julian's pattern are compound numbers.

Reagan lives five miles farther from school than vanessa lives. write an expression to describe how far reagan lives from school