Answer:
9
Step-by-step explanation:
Three sides are
Let other side be x
![\rm \mapsto \: x + 4 + 2 + 6 = 21 \\ \rm \mapsto \: x + 6 + 6 = 21 \\ \rm \mapsto \: x + 12 = 21 \\ \rm \mapsto \: x = 21 - 12 \\ \rm \mapsto \: x = 9](https://tex.z-dn.net/?f=%20%5Crm%20%5Cmapsto%20%5C%3A%20x%20%2B%204%20%2B%202%20%2B%206%20%3D%2021%20%5C%5C%20%5Crm%20%5Cmapsto%20%5C%3A%20x%20%2B%206%20%2B%206%20%3D%2021%20%5C%5C%20%20%20%5Crm%20%5Cmapsto%20%5C%3A%20x%20%2B%2012%20%3D%2021%20%5C%5C%20%20%5Crm%20%5Cmapsto%20%5C%3A%20x%20%3D%2021%20-%2012%20%5C%5C%20%20%5Crm%20%5Cmapsto%20%5C%3A%20x%20%3D%209)
Answer:B
Step-by-step explanation:
Divide the two numbers
Answer:
me plzz
Step-by-step explanation:
10/19. 40/4=10, and 56/4=19. therefore the answer is 10/19.
Answer:
The bottom 1
Step-by-step explanation:
the first dot is at (0,-3) which is the y-intercept
and the second dot is at x=2 and y=-1
(2,-1) y-int -3