Now draw 4 parallel lines cut by a straight line in the box below. How many pairs of vertical ngles are there with 4 parallel lines?
Picture:
Number of vertical angles:

What are correct trigonometric ratios that could be used to determine the length of ln

Suppose i flip two identical coins. what is the probability that i get one head and one tail?

Solve with work both bert and ernie received an increase in their weekly salaries. bert's salary increased from $520 to $520. ernie's salary went from $580 to $645. find the percent of increase for each salary. what was the larger of the two percents ?