A workshop venue has 35 participants. Each participant shakes hands with each and every other participant. How is the sum of handshakes that will be made by the first and second participant?​

Four congruent circular holes with a diameter of 2 in. were punches out of a piece of paper. what is the area of the paper that is left ? use 3.14 for pi

Janie has $3. she earns $1.20 for each chore she does and can do fractions of chores. she wants to earn enough money to buy a cd for $13.50. write an inequality to determine the number of chores, c, janie could do to have enough money to buy the cd.

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?