Help please I will give you the brainliest

What is the slope of the line that has an equation of y equals x -3

Betty correctly answers 30 questions on your math test there are 40 questions on the test what percent of the questions did she answered incorrectly

Will mark brainiest, , and rate to the best the table shows the number of blue marbles and red marbles that four friends have collected. which person has the lowest ratio of blue to red marbles? jasmineaaronluciangretchen