Asmall class has 10 students 3 of whom are girls and 7 of whom are boys. the teacher is going to choose two of the students at random. what is the probibility that the teacher will choose two girls? write your answer as a fraction in simplest form.

2/10 - 1/5 because if the teacher wants 2 students and there's 3 girls and 7 boys, the probability of picking 2 girls is 2/10 which is 1/5 in simplest form

Answer for 2: his profit would be $2.88 explanation: you have to first multiply 72 and 0.12 together to get $8.64 once you do that you know how much money the shopkeeper made from selling the candy bars individually. so you have to do 8.64-5.76=2.88 hope that ; )answer for 3: yeah i’m sorry i have no idea what number 3 is. i’m sorry i couldn’t with that.