4. You want to buy 9 CDs at a music store. However, you have enough money for only
3 CDs. In how many ways can you select 3
of the CDs to buy?

What is the value of the digit 1 in the number 13?

Tabby sells clothing at a retail store, and she earns a commission of 6.25% on all items she sells. last week she sold a pair of jeans for $32.50, a skirt for $18.95, and 2 blouses for $14.95 each. what was tabby's total commission? a $4.15 b $5.08 c $81.35 d $348.60

Which coefficient matrix represents a system of linear equations that has a unique solution ? options in photo*