Answer:
It's -8.
Step-by-step explanation:
The 5 in the f(5) is the 5 in the x column. Then you just find its value, which is -8
Use completion of sq method
x^2+y^2+14x+10y-7=0
(x+7)^2+(y+5)^2=7+49+25
(x+7)^2+(y+5)^2=81
so centre is(-7,-5) radius is9
Answer:
b 2/7
Step-by-step explanation:
Because there is a 6/21 chance and 2/7=6/21
Answer:
D
Step-by-step explanation:
-10° C is the lowest temperature and 7°C is the highest temperature.
