Which expression is equal to 2sin(pi/10) cos (pi/10) ?

Jonah runs 3/5 miles on sunday and 7/10 mile on monday. he uses the model to find that he can ran a total of 1 mile . what mistake does jonah make

Can some one explain how to slove specifically, what is the value of x? 0.9(x+1.4)-2.3+0.1x=1.6 enter the answer as a decimal in the box. x= ?

Kira looked through online census information to determine the overage number of people living in the homes in her city what is true about kira's data collection?