Answer:
-2
Step-by-step explanation:
7-9=-2 hope this helps
Answer:
45
Step-by-step explanation:
you can see that the time increases by 10.
ex: 5+10=15, 15+10=25.
So, 35 + 10 = 45
Answer:
18 pieces.
Step-by-step explanation:
1/8 of 24 is 3.
24 - 3 = 21, that's how much he has left after giving it to the first friend.
1/7 of 21 is also 3.
21 - 3 = 18, there's your answer.
8x+=10 and 6x+4= 11 hope this helps