Hanna is making goodie bags for a party and he puts in 1 lollipops for every 7 gumdrops if hanna uses 9 lollipop how many gum drops did she use and how many candys did she use all together

Do you mind if you guys me with this question i’m on number 8

How many 3-digit numbers can you write using only digits 1 and 7? (of course, digits can repeat.) how many 3-digit numbers can you write using only digits 1 and 7? (of course, digits can repeat.)

If each bricks costs and he can only buy one brick how much will it cost him to get the material to put around the outside of his garden?