Answer:
Associative
Step-by-step explanation:
Associative property is the one that says that when 3 or more numbers are summed, the grouping of such numbers has no effect on the result of the sum. It is:
(a + b) + c = a + (b + c) for every a, b and c real numbers.
Answer:
• Assume Q is a mid point of line MY

• Then, MQ = YQ

Answer:
Step-by-step explanation:
Let her brother's age be x
Sarah is 2x + 4
Answer:
−
3
−
9
n
Step-by-step explanation:
Simplify the expression
Answer:
12
Step-by-step explanation: