There are 6 questions on a test: 2 of them are multiple choice questions and 4 are fill in blank ones. randomly select 3 from the test, what is the probability that there will be 1 multiple choice and 2 fill in blank type of questions?

The construction of copying qpr is started below. the next step is to set the width of the compass to the length of ab. how does this step ensure that a new angle will be congruent to the original angle? by using compass take the measures of angle and draw the same arc according to it.