Please help- im so bad at this TvT

Step-by-step explanation:

10)-2

11)-11

12)-9

13)75/-25=-3

14)-30/-15=2

15)-20/5-5

=-4-5

=-9

16)90/-45=-2

17)-45/-15=2

18)-15 times 5/25

=-75/25

=-3

19)-15-(-45)/10

=-15+45/10

=30/10

=3

20)5-5/-1

=0/-1

=0

21)-(-15)/5

=15/5

=3

22)-45-15/-15

=-60/15

=-4

23)-15+(-45)/-5

=-15-45/-5

=-60/-5

=12

Have a nice day! :)

-Vana

14 ft 7 inches

step-by-step explanation:

since each model inch corresponds to 25 real inches, 7 model inches will correspond to

7×25" = 175"

at 12" per foot, that is 14 feet, 7 inches.

sinn is the total amount of students now and m were the students before, you subtract them both (n-m) and divide that by m. then, since to get a percentage from a fraction you have to multiply by 100, your answer should look like this: n-m/m*100

step-by-step explanation: