What is the unknown symbol:
4 × {[(8 + 5) × 4] - [(18 __ 9) × 3]} = 100

65% of students in your school participate in at least one after school activity. if there are 980 students in you school, how many do not participate in an after school activity?

For the chance to be team captain, the numbers 1-30 are put in a hat and you get two chances to pick a number, without replacement. which formula correctly shows how to find the probability that you choose the number 1 and then 2?

Find the measure of the angle indicated in bold