Answer:
135 degrees
Step-by-step explanation:
135 degrees form the interior angle of a regular octagon
Answer:



Step-by-step explanation:
Required
Which equals 

Collect like terms


Divide both sides by 2


Collect like terms


Divide both sides by 2


Collect like terms


Divide both sides by -2


Divide both sides by 2

Collect like terms



Divide both sides by 2

Collect like terms


Hence, the equations with the required solution are:



Answer:
10/14, 15/21, and 20,28
Step-by-step explanation:
You just need to multiply a number on the numerator and the denominator. Remember, whatever you do to the numerator you have to do on your denominator.
Answer:
0.25
Step-by-step explanation:
Since, in the question , it is not mentioned that two balls of any specific colour,
the probability of getting two balls is: 
Answer:
7:56 A.M.
Step-by-step explanation:
1 hour and 59 mins = 119 mins
119+18 = 137
137/60 = 2 r 17
(10 - 2 = 8) - 17/60
Therefore they left at 7:56 A.M.