The measure of a complementary angle have a sum of 90° angle and angle b are complementary and their measures have a difference of 20° what are the measures of the angles

Rachel is studying the population of a particular bird species in a national park. she observes every 10th bird of that species that she can find in the park. her conclusion is that the birds living in the park who belong to that species generally feed on insects. rachel's sample is . based on the sample she picked, rachel's generalization is . reset next