Consider,

. Let's say

then the problem reduces to

. (Do you understand this step?)
So then replacing a again with our definition we get,

.
Answer:
9 cups
Step-by-step explanation:
If one pound is equal to 2 cups, then you would multiply 2 by 4, which gives you 8. If one pound equals 2 cups, then half a pound equals 1 cup. So since we already have 8 cups, you just add one more cup, which gives you 9 cups total
SUMMARY: You can expect to get 9 cups of grated parmesan cheese from a 4.5-pound block.
Boys to girls is 4:5.......added = 9
so 4/9 are boys and 5/9 are girls
Answer:
4z+2
Step-by-step explanation:
2z * 2=4z & 1*2=2
if the question is (x + 5)^2, the product is x^2 + 10x + 25.