How long is 50% of 60 minutes? Give your answer in a whole number

When eating out, record the total cost of your meal (before tip) and the tip that you left. determine the percent of the cost of the meal that you left as a tip.

This is so harddd! solve. 1 + 1 = solve 4 + 4 = solve 3 x 3

What is the equation of a vertical line passing through the point (−5, −1)? y = −5 y = −1 x = −5 x = −1