Tickets to a concert cost $2 for children, $3 for teenagers and $5 for adults. when 570 people attended the concert, the total ticket receipts were $1950. compared to the number of children in attendance, three-fourths as many teenagers attended. how many teenagers attended?

The lines shown below are parallel. if the green line has a slope of -1, what is the slope of the red line?

The sat and act tests use very different grading scales. the sat math scores follow a normal distribution with mean 518 and standard deviation of 118. the act math scores follow a normal distribution with mean 20.7 and standard deviation of 5. suppose regan scores a 754 on the math portion of the sat. how much would her sister veronica need to score on the math portion of the act to meet or beat regan's score?

According to the data set, where should the upper quartile line of the box plot be placed?