Solve.

2 (m+1)=2m

1. no solution, it’s a contradiction

2. all real numbers, it’s an identity

3.m=1

4.m=2

Aregression was run to determine if there is a relationship between hours of tv watched per day (x) and number of situps a person can do (y). the results of the regression were: y=ax+b a=-0.662 b=30.418 r2=0.703921 r=-0.839

Jacob signs up to work for 2 1/2 hours at the school carnival. if each work shift is 3/4 hour, how many shifts will jacob work? (i just want to double check : |, for anybody that responds! : )

School has 204 sixth grade students. if the sixth grade is 30% of the total school, how many students are in the middle school?