A ladder is lear, ing against a building. The base of the ladder is 7 meters from the base of the building. If the ladder is 20 meters tall, what is the angle the ladder makes
with the building? Round your answer to the nearest hundredth of a degree.

9. (y^-5)^10y^10 a. y^-60 b. y^60 c. y^-150 d. y^150 find the simplified form of each expression. 10. (4/7^5)^2 a.8/14^10 b.16/49^25 c.16/49y^10 d.8/14y^25 11. determine if the number 3.43 times 10^-6 is written in scientific notation. if not, explain. a. yes; the number is written scientific notation. b. no; the first factor is not a number between 1 and 10. c. no; it is not written as a number times a power of 10

What value of x will make the triangles similar by the sss similarity theorem?

Need 50 will mark brainliest answer. find the lengths of all the sides and the measures of the angles.