Answer:
The fourth proportion is 15
2:5 :: 6 : 15
Answer:
B I belive
Step-by-step explanation:
It is - 16 because adding two negatives give you a negative
supplementary angles add up to 180°.
x = measure of such angle
x + 20 = measure of her sibling.
since "x" has 20 less than her sibling, then clearly her sibling has to have 20 more than "x".
