Answer:
You can calucate b by using pythagorean theorem:
a² + b² = c²
21² + b² = 29²
b² = 841 - 441 = 400
b = √400 = 20 (m)
-1/2
Step-by-step explanation:
2/6 - 5/6= -3/6
= -1/2
B. 550 - 2x > 850 - 6x
2
rounded down
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