Answer:
21120 hours long
Step-by-step explanation:
42240=20 miles
42240/2=21120h
Answer:
- 12x² + 9x + 9
Step-by-step explanation:
(- 10x² + 2) + (- 2x² + 9x + 7 ) ← remove parenthesis
= - 10x² + 2 - 2x² + 9x + 7 ← collect like terms
= - 12x² + 9x + 9
the answer is x+y≤2
The sum of x and y is greater than or equal to 2
The complement would be 90 -49.7 degrees (note: not " % ").
The supplement would be 180 - 49.7 degrees.
