Shawn's rentals charges $27.50 per hour to rent a surfboard and a wet suit. darla's surf shop charges $23.25 per hour to rent a surfboard plus $17 extra for a wetsuit. for what total number of hours are the charges for shawn's rentals the same as the charges for darla's surf shop?

What is sin 7x/4 ? i need on this urgent trig

The means and mean absolute deviations of the individual times of members on two 4x400-meter relay track teams are shown in the table below. means and mean absolute deviations of individual times of members of 4x400-meter relay track teams team a team b mean 59.32 s 59.1 s mean absolute deviation 1.5 s 245 what percent of team b's mean absolute deviation is the difference in the means? 9% 15% 25% 65%

Sara made $253 for 11 hours of work. at the same rate how much would he make for 7 hours of work?