Answer:
-8a - 6b
Step-by-step explanation:
6a - 13b - 14a + 7b =
6a-14a = -8a
-13b + 7b = -6b
-8a - 6b
Answer:
13. The more passengers, the more Subway cars are needed; 15. There's more weight with the more packages?
Step-by-step explanation:
The answer to this question is sqrt(2)/2. Invoke the unit circle to derive this expression, or use special triangles and reference triangles.
Answer:
-4/9
Step-by-step explanation:
Perpendicular lines have the opposite reciprocals of the parallel line slopes.
Answer:
9/4
Step-by-step explanation:
2 1/4 = 9/4 From mixed fraction to an improper fraction: "the numerator of the improper fraction" = "denominator" xx "the whole number" + "the numerator of the mixed fraction" The denominator remains as it is. So 2 1/4 = (4 xx 2 + 1)/4 = 9/4
