A(n) ____________________ is a datasheet nested in another datasheet that displays records from a related table.

A balanced binary tree with m elements will have height ______________

a) 2m b) 2 m c) log m 2 d) log 2 m e) none of the above

What is the value of t after line 3?

``` 1 string s = “math is fun!”; 2 int f = s.at(0) 3 int t = s.size(); 4 int n = s.at(5); 5 int y = s.at(s.5); ``` A. 12 B. 11 C. -1 D. Crash. That’s not how you call size().