Answer:
(8-5)*(6+7+(8-6)+(7-5))
Step-by-step explanation:
Answer:
His score is increasing by four each time, so on his 9th quiz, his score will be 89
hope that helps!
Step-by-step explanation:
Answer:
108 units
Step-by-step explanation:
(6x4x9)divided by 2
Answer:

Step-by-step explanation:
Let the missing integer be x
Solve for x

Move 3 to right hand side and change it's sign

The negative and positive integers are always subtracted but posses the sign of the bigger integer

Change the signs of both sides

Hope I helped!
Best regards! :D