Asmall class has 10 students, 4 of whom are girls and 6 of whom are boys. the teacher is going to choose two of the students at random. what probability that the teacher will choose two boys?

How do i multiply two digit numbers

Find the distance between c and d on the number line c=3 and d=11

For a school science project, john noted the temperature at the same time every day for one week. the high temperature for the week was 27°f, and the low temperature for the week was −3°f. what is the difference between the high and low temperatures john recorded?