What is 18-10? *100 points*

-8

Step-by-step explanation:

Since you can't take 18 away from 10, you get negative eight. You can take up to 10 away from 18 so this is how you end up with 8 left over.

8

Step-by-step explanation:

18       what is 8 minus 0?

-10

8

(sin 42)/31. = sinx)/37

sinx = 37 (sin42)/31

= 37× 0.66/31 = 0.787

x= 51.9

other angle opposite to y = 180-51.9-42

= 180- 93.9 =86.1

so

sin42)/31 = sin 86.1)/y

0.021 = 0.997 /y

y= 0.997/0.021 =47.47