Most likely to be letter C
Answer:
There are multiple possibilities. One is there are 12 boys, and 16 girls. 12+16= 28 which is between 20 and 30. That would be 12:16, which can be simplified to 3:4. There is also 9 boys, and 12 girls. that would be 9:12, which can be simplified to 3:4. Also, 9 + 12 = 21, which is between 20 and 30.
Answer:
3/4
Step-by-step explanation:
If a number is getting subtracted by a negative number the minus sign and the negative sign cancel eachother and become a positive sign that's why there's 2 plus signs because they became positive
Answer:
scale factor = 
Step-by-step explanation:
Consider the ratio of the x and y- coordinates, image to original, that is
scale factor =
=
= 