Asign says that the price marked on all music equipment is at a discount for 30% off. you buy an electric guitar for the same price of $315. {im only in 7th grade.} what is the percent you pay? write an equation to find the regular price of the item. what was the regular price?

The table shows the age and finish time of ten runners in a half marathon. identify the outlier in this data set. drag into the table the ordered pair of the outlier and a reason why that point is an outlier.

Abag contains 3 red marbles, 2 blue marbles, and 2 green marbles. one marble is picked, then another marble. assume that the selections are made with replacement. a) find the probability of picking two red marbles with replacement. b) find the probability of picking a red marble and a blue marble. assume the selections are made without replacement. c) find the probability of picking two red marbles without replacement. d) find the probability of picking a red marble and a blue marble without replacement.

Can some one explain this i got sent this. is this a threat i’m scared