I think that Harry should use 1.5-2 cups of flour for his cake. It depends on the size of the cake so if its pretty small, 1.5 cups should work. If you want to take a risk, use more cups of flour.
Answer:
I think this is correct. I use demos calculator in 8th grade
Answer: 78
Step-by-step explanation:
Step 1:
Substitute the variables in:
6(9) - 8(-3)
Step 2:
Multiply to get rid of the parentheses:
54 - -24 = 54 + 24 (the two negatives cancel out)
Step 3:
Add, and then you're done:
54 + 24 = 78
hope this helps :)