Some people took part in a game. The frequency shows information about their scores. Score Frequency
1-7 20
8-10 13
11-15 13
16-20 10
21-35 16
36 - 50 19
Estimate the mean.
Give your answer rounded to 2 decimal places.

Two different linear functions are shown below with two points given from each function. use slope-intercept form or point-slope form to find the equation of each. linear function a points: (–5, –2), (–5, 7) linear function b points: (7, –5), (–2, –5) function a has: the equation of line a is: function b has: the equation of line b is:

Yesterday i ran 5 miles. today, i ran 3.7 miles. did my percent increase, decrease or is it a percent error? plz i need

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