What’s the size of angle x

If t17 = 3 (t5) in an arithmetic progression, find t1 in terms of d.

One astronomical unit (1 au) is about 1.496 alt tag missing. kilometers. if you wrote this number of kilometers in regular decimal notation (for example, 528 and 3,459 are written in regular decimal notation), how many zeros would your number have?

You work in a hospital that has 9 floors. you need to see 3 patients on each floor. how many patients do you need to see in all?