Answer:a
Step-by-step explanation:
The ratio 1: 3 means there is 1 red one and 3 blue ones.
For the ratio 3:1 there needs to be 3 red for every one blue.
You have 3 blue ones, so you would need 3 x 3 = 9 red ones.
You already have 1 red one so you would need 8 more.
Answer:
90° - COD
Step-by-step explanation:
Because if it's complementary, the mystery angle and COD add up to 90°
Answer:
-6
Step-by-step explanation:
Combine or subtract like term.
-8-3k-3k+2
-8+2-3k-3k=-6(-3k-3k)=-6(1)
For direct variation:
y = kx
-12 = 9k
k = -12/9 = -4/3
Therefore, the required equation is y = -4/3 x