15. It kind of seems as if there is an order going on here. So my guess is 15.
10.7%
possibility to get a blue marker : 4/15
possibility to get a green marker: 6/15
possibility to get a blue then a green: 24/225
= 10.666666%
= 10.7%
Answer:
![\left(-\frac{1}{2},\:0\right)](https://tex.z-dn.net/?f=%5Cleft%28-%5Cfrac%7B1%7D%7B2%7D%2C%5C%3A0%5Cright%29)
Step-by-step explanation:
![\mathrm{Midpoint\:of\:}\left(x_1,\:y_1\right),\:\left(x_2,\:y_2\right):\quad \left(\frac{x_2+x_1}{2},\:\:\frac{y_2+y_1}{2}\right)\\\\\left(x_1,\:y_1\right)=\left(-3,\:-5\right),\:\left(x_2,\:y_2\right)=\left(2,\:5\right)](https://tex.z-dn.net/?f=%5Cmathrm%7BMidpoint%5C%3Aof%5C%3A%7D%5Cleft%28x_1%2C%5C%3Ay_1%5Cright%29%2C%5C%3A%5Cleft%28x_2%2C%5C%3Ay_2%5Cright%29%3A%5Cquad%20%5Cleft%28%5Cfrac%7Bx_2%2Bx_1%7D%7B2%7D%2C%5C%3A%5C%3A%5Cfrac%7By_2%2By_1%7D%7B2%7D%5Cright%29%5C%5C%5C%5C%5Cleft%28x_1%2C%5C%3Ay_1%5Cright%29%3D%5Cleft%28-3%2C%5C%3A-5%5Cright%29%2C%5C%3A%5Cleft%28x_2%2C%5C%3Ay_2%5Cright%29%3D%5Cleft%282%2C%5C%3A5%5Cright%29)
![\left(x_1,\:y_1\right)=\left(-3,\:-5\right),\:\left(x_2,\:y_2\right)=\left(2,\:5\right)\\\\Refine](https://tex.z-dn.net/?f=%5Cleft%28x_1%2C%5C%3Ay_1%5Cright%29%3D%5Cleft%28-3%2C%5C%3A-5%5Cright%29%2C%5C%3A%5Cleft%28x_2%2C%5C%3Ay_2%5Cright%29%3D%5Cleft%282%2C%5C%3A5%5Cright%29%5C%5C%5C%5CRefine)
![=\left(-\frac{1}{2},\:0\right)](https://tex.z-dn.net/?f=%3D%5Cleft%28-%5Cfrac%7B1%7D%7B2%7D%2C%5C%3A0%5Cright%29)
Answer:
C)3
Step-by-step explanation:
divide 3/4 by 1/4 and get 3