Hello tutors! The image attached is Activity 1-3, Please help me thank youu!

Activity 1 Direction: Given the following problems, write each problem in combination notation. Number 1 has been done for you. 1. A magic show has 10 people as its audience. For the next act, the magician needs 2 people from the audience. In how many ways can he invite the 2 people from the audience? COMBINATION NOTATION : 10C2 2. If a student is to answer any six problems on a test consisting of nine problems, in how many different ways can the student select the six problems? 3. A bag contains 4 white balls, 6 yellow balls, and 5 red balls. In how many ways can 6 balls be chosen if there must be 2 balls for each color? 4. If 4 marbles are picked randomly from a basket containing 5 blue marbles and 8 yellow marbles, in how many ways can it happen if at least 3 of the marbles picked are blue?_ 5. There are 7 men and 9 women members of a club. How many committees of 4 can be formed having at most 3 men? Activity 2 Direction: Evaluate the following combinations. 1. 7C4 2. 12Cs 3. -6+ 19C15 4. 2C(4, 2) - 10 5. C(20,5) 8 Activity 3 Direction: Find the unknown variable. 1. nCs = 126 2. 10Cr = 252 Solve: 3. A medical researcher needs 6 people to test the effectiveness of an experimental drug to cure COVID-19 patients. Thirteen people have volunteered for the said test. In how many ways will 6 people be selected? 4. In the Philippine 6/42 lotto, a bet consists of choosing any 6 numbers in no particular order from 1 to 42. In how many possible bets can be made? 5. How many polygons can be possibly formed from 8 distinct points on a plane, no three of which are collinear