SOCORRO represente na reta numerica os seguintes suconjuntos de R a) A={x E r | x> -1\2} b)B={x E r | 3< x<6} c)C=}x E r| 0< x<4 ou 2 d) D={ x E r | -2

125 tickets were sold for the jazz band concert for a total of $1,022. students tickets cost $6 each, and general admission tickets cost $10 each. how many of each kind of tickets were sold?

The standard deviation for a set of data is 5.5. the mean is 265. what is the margin of error?

The number of calories you burn depends on your weight. a 110-pound person burns 163 calories during 30 minutes of tennis. find the number of calories that a 190-pound person would burn during the same activity, assuming they burn calories at the same rate.