What is the elapsed time between 2: 16
a. m. and 8: 10 p. m.?
a. 18 hr. 18 min.
b. 29 hr. 54 min.
c. 17 hr. 54 min.
d. 22 hr. 18 min.

Offering 30 if a plus b plus c equals 68 and ab plus bc plus ca equals 1121, where a, b, and c are all prime numbers, find the value of abc. the answer is 1978 but i need an explanation on how to get that.

What numbers are included in the set of integers? what numbers are not included?

You give a $4 tip for a meal that cost $22. approximately what percent of the bill was your tip?