(x-1)(x-9)
Hope this helps
Answer:
Size of N(S) = 90, or S=90
Step-by-step explanation:
So since there are 10 items:
Each single item has 9 possibilities to be paired with, since it is drawn without replacement, and 1 item can't be drawn again.
So : 10 items x 9 possibilites = array of 90
SO ANSWER : 90
Hope I helped :)
He bought 3 small notebooks (3*7=21) and 3 large notebooks (3*10=30)
21+30=51
subtract the fee from the total to get the amount actually spent on songs
23.80-7 = 16.80
divide that amount by price per song to get number of songs downloaded
16.80 /0.20 = 84 songs
Answer:
-4
Step-by-step explanation:
-1 + -3 = -4
