-90-40= 2) num triângulo um dos ângulos mede 27° e o outro mede 64°. O terceiro ângulo interno mede:

What is the rescursive formula for this geometric sequence? 7, -14, 28, -56

Aculture started with 4,000 bacteria. after 5 hours, it grew to 5,200 bacteria. predict how many bacteria will be present after 19 hours. round your answer to the nearest whole number.

You're locked out of your house. the only open window is on the second floor, 25 feet above the ground. there are bushes along the edge of the house, so you will need to place the ladder 10 feet from the house. what length ladder do you need to reach the window?