Jayden does 2 sit-ups on the first day of the month, 4 the next day, 8 the next day, and so on. If she continues with the pattern, how many total sit-ups will she have done after 30 days?

Assume that the weights of quarters are normally distributed with a mean of 5.67 g and a standard deviation 0.070 g. a vending machine will only accept coins weighing between 5.48 g and 5.82 g. what percentage of legal quarters will be rejected? round your answer to two decimal places.

Based on the graph, what is the initial value of the linear relationship? a coordinate plane is shown. a line passes through the y-axis at -2 and the x-axis at 3.

65% of students in your school participate in at least one after school activity. if there are 980 students in you school, how many do not participate in an after school activity?