Kelly uses a building block to create the top of a tower. the front face of the building block is shown.

the block is in the shape of a trapezoid with height 8 cm.

what is the area of the front face of the building block?

enter your answer in the box.

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