Answer:
-16 g
Step-by-step explanation:
5(-8g) + 4(6g)
-40 g + 24 g they are like terms so they can be added together.
-16 g
Check photo for steps and details, hope this helped! Please mark brainliest if you think this was helpful c:
Answer:
9
Step-by-step explanation:
Let's say Mark is M and his brother is B.
M+5=B
M+B=23
Now we can solve using subsitution.
M+M+5=23
(Subtract 5 from both sides)
2M=18
M=9
Hope this helped!
13.8 times h times 3.14
*I do not know the number of the height*