For Parts (A) and (B), Write an Inequality to Represent $x + y \leq 12$

Multiple Choice

For parts (a) and (b) , write an inequality to represent the given statement.
-Let x represent the number of hours that Trenton spends studying algebra, and let y represent the number of hours he spends studying history.
a. Trenton has a total of at most 12 hr to study for both algebra and history combined.
b. Trenton will spend at least 5 hr studying algebra.

A) a. $x + y \leq 12$ ;
b. $x \leq 5$

B) a. $x + y \geq 12$ ;
b. $x \leq 5$

C) a. $x + y \geq 12$ ;
b. $x \geq 5$

D) a. $x + y \leq 12$ ;
b. $x \geq 5$