$12.6 -- 25% of 12.6 is exactly $3.15
I did this by taking 3.15 / 0.25
9a + 5b + 5c = 9
Multiplying the whole equation by -2.
-18a - 10b - 10c = -18.
Hence, the answer is -18.
Answer:
yes
Step-by-step explanation:
Answer:
B.
Step-by-step explanation:
Perpendicular lines always intercept at a right angle (90 degrees).