They are supplementary because together they equal 180 B and D are vertical and so are A and C and they are also equal so the answer is D. Supplementary
2rd one I could be wrong tho
Solving proportions is simply a matter of stating the ratios as fractions, setting the two fractions equal to each other, cross-multiplying, and solving the resulting equation. You'll probably start out by just solving proportions, like this: Find the unknown value in the proportion: 2 : x = 3 : 9.
Answer:
B or just google it
Step-by-step explanation:
Rational numbers:
Fractions
Decimals
Whole numbers
Etc.
