Students holding a Car Wash Day washed 12 cars in the first hour, 15 cars in the next hour, and 10 cars in each of the next 4 hours. They earned $60 in the hour, and $50 in the third hour. How much money did they earn in all?

In the diagram below, dab and dac are adjacent angles. if mdac = 25°, what is mdab in degrees? what is mbac in degrees?

Data was collected on myrtle beach for 11 consecutive days. each day the temperature and number of visitors was noted. the scatter plot below represents this data. how many people visited the beach when the temperature was 84 degrees?

Which of the following is the result of expanding the series