Circle a has center of (2, 3) and a radius of 5. circle b has a center of (1, 4) and a radius of 10. what steps will show that circle a is similar to circle b? a. dilate circle a by a scale factor of 2.
b. translate circle a using the rule (x+1, y−1).
c. rotate circle a 180° about the center.
d. reflect circle a over the y-axis.

For each polynomial, determine the degree and write the polynomial in descending order. a. –4x^2 – 12 + 11x^4 b. 2x^5 + 14 – 3x^4 + 7x + 3x^3

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

Mrs. robinson bought a novel at a bookstore on sale for 20% off its regular price of $29.99. mr chang bought the same novel at a different bookstore for 10% off its regular price of $25. which person received the better discount?