HELP HELP Which property justifies Francesca first step ? A. distributive property of multiplication over addition

B. subtraction property of equality

C. division property of equality

D. associative property of multiplication

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