Why do sda, sda1, sda2, and ... all have the same major number but different minor numbers?

There are 21 animals on Farmer Cole's farm - all sheep and chickens. If the animals have a total of 56 legs, how many of each type of animal lives on his farm? Write a system of equations, and use the equal values method to solve it.

Five friends buy a package of 12 cookies and want to share them equally. Each friend will get 1/5 of the cookies. How much will each friend get?

What is 60 take away 15

sweaters and hoodies are on sale for the same price at old navy. you buy 4 sweaters and 2 hoodies. you also buy a pair of joggers that costs $16. The total bill is $82. How much does each sweater and hoodie cost?

3. Felicia's dog eats twice each day. She feeds him cup of dry food at each meal. How much dry food does Felicia's dog eat in 1 week?

Sarah earns $10 per hour while babysitting and $20 per hour while cleaning houses. Sarah will need to earn $1000 during the summer.

The equation p=2.5m+35 is the cost of making bracelets where ''p'' is the price and ''m'' is the cost of materials. If a bracelet sells for $115, how much was the material?

How do you expand the expression 3 (x+11)

5 (2x + 6) = 8x + 48 simplify.

If 30+12x represents the area of a partitioned rectangle, what could be expressions for the side lengths? List at least 5 possibilities