Answer:
Step-by-step explanation:
Hint:
a² - 9a + 15 = (a-7)(a-2)
a² + 9a + 15 = (a+7)(a+2)
a² + 3a - 10 = (a-2)(a+5)
a² + 5a - 14 = (a-2)(a+7)
a² - 5a - 14 = (a-7)(a+2)
Answer:
Is this the exact persson and question I refused to do?
Step-by-step explanation:
Billie walks 1.5 miles in half an hour. What is Billies walking speed in miles per hour?
In general speed=Distance over time
so in this case for instance
speed= 1.5 miles over .5 hours= 3 and the miles over hours!
Hope this helps!
Answer:
31/100
Step-by-step explanation:
From the given table
Reading books percentage is 22
so Probability (reading books) = 
Surf the internet percentage is 9
Probability (surf the internet) =
the probability (reading books or surf the internet)= P(reading books) + P(surf the internet)
probability (reading or surf)= 
= 