In a box there are 8 red, 7 blue and 6 green balls. One ball is picked up randomly. What is the probability that the ball is not blue

2/3

Step-by-step explanation:

Add up the total number of green balls,

8+7+6=21

Subtract 7 from the answer, since it is blue,

21-7=14

14/21

Then, you simplify,

Hence, the answer is...

2/3

14/21

Step-by-step explanation: because

8+7+6=21

21-7=14 left

answer=14/21

4th option is correct xy=-10

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dilation scale factor 2: starting with δabc, draw the dilation image of the triangle with a center at the origin and a scale factor of two. notice that every coordinate of the original triangle has been multiplied by the scale factor (x2). dilation with scale factor 2, multiply by 2.