The total length of a road trip was 16.1 hours. if highway signs are posted every 0.7 hours, including one at the end of the road trip, how many highway signs will there be on the road trip?

Imagine a new pasture with grass growing on it. every day after the seeds have germinated, the number of blades of grass in the pasture triples. after 18 days, the entire pasture is completely covered in grass. how many days did it take for the pasture to be one-third covered in grass?

Cot(90° − x) = 1 the value of x that satisfies this equation is °. a. 60 b. 135 c. 225 d. 315

We just started the introduction into circles and i have no idea how to do this.