Write each rational expression in lowest terms. 3(3 - t) / (t + 5)(t - 3)

Write each rational expression in lowest terms. 8k + 16 / 9k + 18

Write each rational expression in lowest terms. m² - 4m + 4 / m² + m - 6

Write each rational expression in lowest terms. 8m² + 6m - 9 / 16m² - 9

Multiply or divide, as indicated. (2k + 8)/6 ÷ (3k + 12)/2

Multiply or divide, as indicated. (y³ + y²)/7 * 49/(y⁴ + y³)

Multiply or divide, as indicated. (m² + 3m + 2)/(m² + 5m + 4) ÷ (m² + 5m + 6)/(m² + 10m + 24)

Multiply or divide, as indicated. (x² - y²)/(x - y)² * (x² - xy + y²)/(x² - 2xy + y²) ÷ (x³ + y³)/(x - y)⁴