At tommy's tubes, you can rent a tube to float down the blanco river. a payment of $12.50 allows you to keep the tube for up to 3 hours. after 3 hours, it costs an additional $3.50 per hour. write an equation and solve it to determine the number of hours you could keep a tube for $30.00.

After applying the composition r0.90 ry to rs what are the coordinates of r' and s'? a. r'(–3, 1),  s'(–3, 5)b. r'(–1, 3),  s'(–5, 3)c. r'(1, 3),  s'(5, 3)d. r'(5, 3),  s'(1, 3)

1. there are 25 students who started computer programming in elementary school and 25 students who started computer programming in middle school. the first group had a mean final project grade of 95% and the second group had a mean final project grade of 92%. the line plot shows the differences after 10 rerandomizations. determine whether the difference in the means of the two groups is significant based on the line plot. explain your answer.

How to choose the sign of the radical in the denominator of the formula for the distance from a point to a line.