Answer:
The answer is d
Step-by-step explanation:
Because all angles in parallelogram are the same
Answer:
E
Step-by-step explanation:
2x-438 = -438+2x= 2(x-219)
Answer:
The probability that the counter was blue is 
Step-by-step explanation:
Number of black Counters = 5
Number of blue Counters = 4
Number of white Counters = 1
We need to write down the probability that the counter was blue.
First find Total Counters
Total Counters = Number of black Counters + Number of blue Counters + Number of white Counters
Total Counters = 5+4+1
Total Counters = 10
Now, we need to find probability that the counter taken was blue
The formula used is:

There are 4 blue counters in the back, so Favourable outcomes = 4

The probability that the counter was blue is 
Answer:
1/7
Step-by-step explanation: