Which options could be the next step in simplifying this expression? 15+(5+21) Choose exactly two answers that are correct.
A20+36 (use the distributive property)
B36+20 (use the commutative property)
C15+26 (use order of operations)
D20+21 (use the associative property)
A20+36 (use the distributive property)
B36+20 (use the commutative property)
C15+26 (use order of operations)
D20+21 (use the associative property)