The two triangles are similar. Given that a = 7, b = 17, and c = 23, find the value of x. Round your answer to the nearest hundredths place. pls help for a final! :)

Aladder that is 30 ft long needs to reach 27 ft up a building. what should the angle of the vertical be?

Find the value of the variable and the length of each secant segment.

Dylan and dusty plan to take weekly surfing lessons together. if the 2-hour lessons are $20 per person and they plan to spend $100 each on new surfboards, what is the maximum number of lessons the two can take if the total amount spent for lessons and surfboards is at most $480?