Answer:
556
Step-by-step explanation:
Answer: okay sure!
Step-by-step explanation:
In mathematics, a binary operation is commutative if changing the order of the operands does not change the result. It is a fundamental property of many binary operations, and many mathematical proofs depend on it.
The distributive property tells us how to solve expressions in the form of a(b + c). The distributive property is sometimes called the distributive law of multiplication and division. ... Then we need to remember to multiply first, before doing the addition!
(-7) * 8 = -56
answer
A. -56
hope it helps
Let the score on her seventh test be "x".
SO,
∴ He must get 104% on his seventh test to get an average score of 90%
