There are 525 girls in a school of 989 pupils. Write this proportion as a percentage, correct to the nearest integer.

An eight-sided die, which may or may not be a fair die, has four colors on it; you have been tossing the die for an hour and have recorded the color rolled for each toss. what is the probability you will roll a brown on your next toss of the die? express your answer as a simplified fraction or a decimal rounded to four decimal places.

The lines shown below are parallel. if the green line has a slope of -1, what is the slope of the red line?

What is the measure of angle tvu shown in the diagram below