Question

Which two options could be the next step in simplifying this expression?

15 + (5 + 21)

A.
20 + 36 (use the distributive property)

B.
36 + 20 (use the commutative property)

C.
20 + 21 (use the associative property)

D.
15 + 26 (use order of operations)

Answer 1

C & D

Answer 2

thanks

Answer 3

it would be D
U can remember this using the trick of
Please (paranthasis)
Excuse(Exponents)
My(Multiplication)
Dear(Division
Aunt(addition
Sally(subtraction

u always solve math in that order
as well as C

Answer 4

Check them by the numbers. 20+36 is not equal to 15 + (5 + 21)
Neither is 36 + 20.
But 15+26 and 20+21 are

Answer 5

d and c