I am thinking of two numbers. The opposite of the first number is twenty less than three times the second number. The first number is equal to the second number. Find the two numbers. Please work everything out! Thank you

Graph y ≥ -x^2 - 1. click on the graph until the correct graph appears.

Events a and b are independent. the probability of a occurring is 2/5. the probability of b occurring is 1/4. what is p(a and b)?

The frequency table shows the results of a survey asking people how many hours they spend online per week. on a piece of paper, draw a histogram to represent the data. then determine which answer choice matches the histogram you drew. in order here is the.. hours online: 0-3, 4-7, 8-11, 12-15, and 16-19. frequency: 5, 8, 10, 8, 7 answer for the question is in the picture! : )