Answer:
it will be 10.5 so he will take the bus
Step-by-step explanation:
Answer:
Step-by-step explanation:
1/9 < 1/√n < 1/7
9 > √n > 7
81 > n > 49
n = 50, 51, 52, ..., 80
n has 31 possible values
Answer: B.
Step-by-step explanation: A triangle is 180 degrees. m< a + b + c = 180, so 75+20+x=180, so x = 85. B.